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Sena Prism Tube

My favourite USB battery power Pack

This is the excellent USB power pack I use when I travel.

2 x 2.1amp outputs. 8400mAh capacity.

Two digit Led display shows battery level

 

What SD CARD should I buy?

If you want an SD Card for your camera - these are the ones I use and recommend. 

I'd strongly recommend not to buy any SD cards off ebay - I've heard about too many issues with counterfeit cards - often sold on by unwitting resellers. My inbox regularly gets messages from people who bought a £150 camera then cheaped out and bought a £3 memory card on ebay - Then when it doesn't worth they blame the camera! It doesn't make any sense. Good memory is cheaper than it's ever been - see the links above.

A lot of HD cameras will not work properly with cards larger than 32GB (cards over 32GB are usually SDXC rather than the SDHC standard used by 32GB cards. SDXC cards use the ex-FAT system rather than FAT32 - in short they are a different standard). - so don't just buy the biggest card you can afford - read the specs in the manual to see what it accepts.

UK & US LINKS & PRICES BELOW

RECOMMENDED CARDS (for action cams - see dashcams below)

CLASS 10 UHS-1 CARDS (For HD Cameras)

 

U3 CARD (For 4K cameras)

 

 

SPECIAL DASHCAM CARDS

The SD card in a dashcam is re-written over, more frequently than in other types of cameras. Some manufacturers void their guarantee if an SD card was used in a dashcam. So, no surprise, there are special High Endurance SD cards made just for dashcams...here's some.

 

VERY IMPORTANT. These links take you to the product, however Amazon have three different ways of selling. There's Amazon Direct - This means that you are only dealing with Amazon themselves, then there's other sellers that use Amazon's facilities - these show as Fulfilled By Amazon and finally there's Market Place sellers that advertise on Amazon, but operate independently.  I strongly recommend that you only use the first...the Amazon Direct - Sold By Amazon option. Even if it appears that you are paying a couple of £/$ more it is more than likely you are comparing the price of a real item against the price of a fake.

To give you an idea of the extent of the fake goods problem. In a 2016 survey by Apple - 90% of the 'Apple' chargers sold through Amazon - using the other the two methods..which includes the "Fulfilled by Amazon" option -  were found to be counterfeit....90%! 

            

 
« CCTV Basics - Wired day & night outdoor camera. | Main | The Big SJ5000+ Action Camera Review »
Sunday
Mar012015

K1S - The first Front & Rear Hidden 1080p Dash Camera

My full video review for the K1S 2ch HD Car DVR is below. 
   
  
If you want to watch my 'Beginners Guide To Dashcams' video - Click here.
   
The K1S manufacturer website is here, and pdf manuals for the camera can be found here.
   
For my downloadable sample videos click here  As always, download these files to your machine before viewing them - streaming will make them look worse than youtube.
Note: These files have been manually trimmed for length (and filesize) - therefore the start and end points for the front and rear clips no longer match each other perfectly.
  
Size Comparison
The control unit is approximately the same thickness as a box of cards but a bit smaller overall (without cables).
   
Buying the K1S
I’ll add links below as and when I discover additional resellers. 
 
EBAY
US link here
UK link here
  
AMAZON
(US) With GPS: http://amzn.to/1MKU4lY
(US) Without GPS: http://amzn.to/1DBbUpZ
  
  
 
   
UPDATE 02 March 2015
I've received the answers to a few questions I asked the manufacturers.
 
1) The Car Lamp Open/Closed menu as expected does warn the driver if they are driving in the dark with the headlamps off. It judges this by the exposure.
  
2) Apparently the battery used is a Standard GoPro size....which is great. Normally I try to avoid dashcams that use batteries, because when the internal battery fails you have to replace the whole camera - in this case you can buy a new battery. Just a reminder -  I can't comment on the long term reliability of any cam after only a month of use.
 
3) I wasn't sure how the emergency button handled the files. I was concerned that if you saw something you wanted to keep - but the camera started recording the next file before you managed to press the button then you would be protecting the wrong clip. Well it turns out the manufacturer has thought of this. "When this button is pressed, if current recording is less than 1 minute, then current file and the file before this (together 2 files) are locked"
 
4) Not a question, but I have raised the issue of the need for resellers in China who can export to Europe and also the Speedcam database is no use in the UK until the camera can support additional database formats. Both these things are being explored...but the database issue isn't a simple quick fix.
>>>>>IMPORTANT - READ THIS... (OCTOBER 2016)
Both my cars had a K1S installed until a couple of months ago - They were still working 100% at the point I took them out. I removed them so that I could test other cameras, although I was getting a bit sick of the rear wire interfering with the rear hatchback door on both cars - this would work better in a car with a fixed rear window.  It seems that my experience is not the same as that of other people - perhaps the manufacturer changed the product after I purchased my cameras...but if you read through the comments it seems that other people are having lots of reliability issues. You may have noticed that this is no longer on my list of Recommended Cameras - and this is the reason. I was happy with the performance of both of my cameras for 18 months...but perhaps my experience was uncommon. 

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Reader Comments (642)

I have completely cured the radio interference problem, the power supply (that blob in the lead) is at fault. I replaced it with one from an old TomTom sat nav. TomTom is a good make so their power supplies are much better. I cut the sat nav plug off and connected a standard USB plug instead. It is absolutely essential the wires are joined the right way round otherwise the K1S camera may be permanently damaged. The power supply converts the cars' 12V to 5V for the K1S, at least 2A required according to the instructions.

I have another problem of the recorder cutting out halfway through a file several times in an hours' journey, then starting a new file several seconds later (so missing several seconds of footage). I'll try a different card although I would have thought my Sandisk Class 10 (32GB) would have been OK (it did this before and after changing the power supply).

June 19, 2015 | Unregistered CommenterNigel

Hi
Do you have valid link to firmware upgrade for K1S DashCam?


I'm looking for KPH (kilometre per hour) version.

Best regards
Konrad

June 21, 2015 | Unregistered CommenterKonrad

How are you removing the 3m adhesive after trying all these cams?

June 21, 2015 | Unregistered Commenterstauf99

How To Remove 3m Adhesive residue?

Fast and Easy Solutions i have been using for many years,
takes off the sticky glue left behind under price stickers, that gummy mess left behind disappears quickly.

What is It?
google " GOO GONE " and it will be
small bottle lasts long time, and so far has not harmed the plastic or item in the process. been very happy with results

June 22, 2015 | Unregistered CommenterEric Edwards

K1S RECORDS THE SKY TOO!

what i notice in my dashcam video files is the CONSTANT SPRAYING OF CHEMTRAILS
the high flying planes that leave a long white trail (NOT A CON TRAIL) that lasts all day, not a few minutes, Spreads out,
and leaves the Sky Solid White. I see it in most of my videos, the checkerboard effect, like drunk air pilots going around in
a pattern to fill the sky. HERE IN THE USA CALIFORNIA IS REAL HEAVY EVERY DAY, started about 8 years

anyone else see in their DashCam Videos this " Secret Program "
google chemtrails and see youtube videos if you think i am a crazy person

June 22, 2015 | Unregistered CommenterEric Edwards

Having been on the lookout for a dashcam with front and rear camera AND a separate unit, I bought the K1S from Joovuu and had it professionally installed into the car's electrical circuit with a switch to allow me to make use of the Parking Mode feature (not used/tried yet). Now here are the problems I've experienced:
1. DAB signal interruption! It seems that the rear camera is too close to the car's aerial (MINI Cooper S) and thus interfering with the signal. I've added a ferrite choke which has remedied the problem, but only partly... I still get DAB signal cut outs, just not as often... I might more the rear camera from centre to outside.
2. Unit reboots! A far more serious problem! On my little 12 mile commute along country roads from Ross-on-Wye to Ledbury, it rebooted 7 times! Yes SEVEN! Only for a few seconds. I've found out that the GPS module seems to be a contributing factor. Having switched the GPS service off, it's not doing it as often any more, though it still happens at least once, roughly in the same area on sharp bend. Now how can a camera be manipulated to reboot itself?
Anyone can help to finally remove both problems listed above for good?

June 23, 2015 | Unregistered CommenterSteven

I bought an Koonlung K1S with GPS from China,it is nice recommended model with front rear 1080P30fps,amazing
http://ru.aliexpress.com/store/all-wholesale-products/938911.html

June 25, 2015 | Unregistered CommenterRoss

On the basis of your excellent video I bought a K1S and it works fine. Again thanks to your video I was able to install it and set it up.I paid about £170 in the UK

June 25, 2015 | Unregistered CommenterGeorgeS

Nigel,

Can you show me a link so I know what cord to buy? Or if you have another lying around. I really need to get this figured out before my 15 hour roadtrip.

June 27, 2015 | Unregistered CommenterTyler

Hi Steven,
what kind of SD card are you using? My unit was doing all sorts of crazy stuff like yours before I sorted out the card, now its fine.

June 27, 2015 | Unregistered CommenterSuffolk Bob

Mat, that article could do with some update.
The url for the product home page has been changed to this.

I wanted to say the same about the "where to buy" links, but either you updated them or the camera is in stock again.

Thank you for the test anyway, I am looking for the next test about ... whatever it will be :)

June 28, 2015 | Unregistered CommenterRelakS

Hi Mat,

It looks like my post from yesterday did not reach your webpage, so here it is again:
The webpage link does not work, because the product has a new link.

Thank you for the test anyway, I can't wait for you fresh videos every week :)

June 29, 2015 | Unregistered CommenterRelakS

Having finally scrolled through all the comments, it seems that the problems I'm experiencing are the ones described by Dave on page 6 & 8, in short: DAB interference and stopping/restarting of the camera.
First problem reduced by ferrite clip and second problem reduced by switching GPS off (GPS module is in left dashboard corner)... but they still persist: DAB cuts out in areas that were fine; stop/restart reduced but on commute happens in the same place (!?!?!?) and other trips at random: visiting friends last week way down cuts out 7-8 times, way back cuts out once!
@Dave... could you please talk me through what you did to remedy the issues? I'm getting so annoyed with it all I'm tempting to get it ripped out and buy something else.
For reference my car is MINI Cooper S (recent model F56, on a 64 plate) with factory fitted Sat Nav and DAB; the K1S I got from Joovuu, ordered on 12th May (not update version, still shows KPH). The K1S has been professionally fitted and hooked into car's electric circuit to provide constant power (swith-controlled) when engine is not running. And I have a 32GB Samsung class10 SD card and record in 1mn segments.
Please help... I'm going bonkers!

July 1, 2015 | Unregistered CommenterSteven

1 minute segments recording?
=============
IS THERE AN ADVANTAGE TO THAT making a new file so often,?

for me i am at 10 min intervals / longest setting and see much less clutter when viewing the card on the computer
every 1 minute = hundreds of files = long list to sort and stitch.

anyways what is the main benefit or reason for recording at 1 minute/shortest intervals and why you do that
you mentions your going bonkers for other reasons, but this might have a little to do with

July 2, 2015 | Unregistered CommenterEric Edwards

@Steven - I had an aftermarket DAB antenna fitted in my car when I experienced the interference problems, to fix it, I had to retrofit the OEM DAB aerial and screened cable then adapt it to my aftermarket kit.

In your situation with the fact that the OEM kit is already fitted, this might not be of any use to you.

I did read earlier that a user swapped out the power supply to the device which might be an idea to try. I think the supply is one of the noisier parts of the installation, in electrical terms.

As for the restarting, mine was fixed by moving to 3 minute clips rather than 5 minute ones. I have definitely found an issue with the cable going into the front camera though, but that causes the startup loop, not the recording stop/start.

July 5, 2015 | Unregistered CommenterDave

Hi Mat,
I have received my K1S this week and will be fitting it very soon but before I do I have a question that I hope is not a stupid one.
From reading all the comments it seems the problem that crops up most is the DAB radio interference that seems to be caused by the power lead and trying to mask it out. Now I am not technically minded but would it be possible to discard the power lead fit a USB socket in the cars 12v power supply and then use a USB lead to power the camera since that would be at 5v 2.1a or 1a depending on the socket used.

As I said I hope its not a daft question.

Minataur.

July 6, 2015 | Unregistered CommenterMinataur

Yes there is no reason why you can’t do this. USB power sockets provide 5V as standard. Dashcams use USB to power them (so 5V) and they draw it at 1 Amp, sometime 1.5 Amp or 2 Amps. The power adaptor in a car converts the 12V from the 'accessory socket' to the 5V USB standard.

My recommendation is to throw away any generic no-brand power supply that looks cheap. Buy a good quality one that supplies 2 Amps (the dash cam will only take as many amps as it needs) - the setup I use in my Roadster is shown here https://youtu.be/R3eDXKLNLys?t=5m28s
I made a blog post a while ago about power here: http://www.techmoan.com/blog/2014/7/19/batteries-cables-and-confusion.html

I don’t use the K1S power supply and have never had any problems with my DAB signal in my 2015 Mini - so I could listen to Absolute 80s all the way from the Preston to Scarborough - although it cut out for approx 2 secs in Helmsley.

July 6, 2015 | Registered CommenterTechmoan

Is anyone else having issues with particularly noisy video at times, so much so that oncoming number plates looked deliberately blurred out?

July 6, 2015 | Unregistered CommenterAlf

Update to my post about my Sandisk 32GB class 10 micro SD card leaving breaks in the recordings and even the K1S crashing altogether until turned off then on again. I bought a Samsung Pro 32GB card and it cured the problem, it works fine.

I am tempted to buy the 64GB version as it appears to have the same read and write speeds, I know that people have had problems with 64GB SD cards but has anyone actually tried a Samsung Pro 64GB?

The confusing thing is there are many cards marked as "Class 10" and "UHS-1" even of the same make, but their read/write speeds can be very different.

July 7, 2015 | Unregistered CommenterNigel

Techmoan...

Do you have valid link to firmware upgrade for K1S DashCam?


I'm looking for MPH (Miles per hour) version.

Cheers!
John Vargas Jr.

July 9, 2015 | Unregistered CommenterJohn Vargas Jr.

@John Vargas Jr:
See moojuiceuk's post on the 4th June 2015 (page 10) for the download URL for release R158 (dated 2015-04-17).

See nst's post on 11th May 2015 (page 9) for installation instructions.

Plus, see Dave's post on 25th May 2015 (page 9) for his observations of release R158.

July 9, 2015 | Unregistered CommenterMoschops

Hi,

Who can give us some advice; we are looking for an easy to use cam that, once it's installed, nothing needs to be done/changed... gps is not important to us but good night vision -and being able to read the licenseplates- is important to us.
We are in doubt between buying the K1s or 2 Mini 0806. We read somewhere that it is not a good idea to use 2 'individual' camera's (like the 0806) because then we would also need 2 Power Magic Pro's; is that true?


@Mat you said something like 'if you hadn't already installed the K1s in your car, you would instal the Mini 0806; why is that? What is better about the 0806 that made you say that?

The car has DAB and we read that that may cause problems for the radio or has that been solved ?

July 12, 2015 | Unregistered Commenterrick

@rick
If you want good night performance the 0806 will beat the K1S especially with the higher bitrate and higher resolution of the 0806.
You can run two independent systems off one PANOBDP MotoPark hard wire kit (8A max) not sure about power magic
0805 was more stable than 0806 but not sure about the latest batch.
In related news, You'll see some VERY nice dual channel products coming out later this year :-). (Lots of recent progress, too early to announce though)

July 12, 2015 | Unregistered CommenterPier28

posted by rick
"@Mat you said something like 'if you hadn't already installed the K1s in your car, you would instal the Mini 0806; why is that? What is better about the 0806 that made you say that?"

he and others are waiting your update


IS THIS TRUE TECHMOAN?
or is this another fake person reporting on behalf *28

July 13, 2015 | Unregistered CommenterEric Edwards

Take the tin-foil hat off for a second.

I'm just saying that I like the size and image quality of the 0806 (not sure what else I could be saying - it's a dashcam - there aren't that many criteria that anyone could be interested in. Image quality and compactness come top of my list.

If the K1S wasn't already installed in my car - or if it broke, I'd use the Mini 0806 until that failed then I'd get whatever was available that was better at that time.

July 13, 2015 | Registered CommenterTechmoan

10-4
=====================================

DID YOU GET THAT RICK?
not true what you think about techmoans post saying WAIT dont install,
fake people saying nonsense again (beware)
happens here now and again

i thought it was suspicious is why i asked tech
thanks for letting us know

==================================

July 13, 2015 | Unregistered CommenterEric Edwards

@Nigel

Perhaps you skipped over my question to you. Would you mind telling me what GPS model that was that you got the power cord off of?

July 14, 2015 | Unregistered CommenterTyler

Hi guys,

@Pier &Mat: thanks for your reaction to my post.

@Eric:
--------------------------------------------------------------------------------------------
>DID YOU GET THAT RICK?
>not true what you think about techmoans post saying WAIT dont install,
>fake people saying nonsense again (beware) happens here now and again
--------------------------------------------------------------------------------------------
I’m not sure what, nor how, you meant this but if you are referring to me when you wrote ‘fake people saying nonsense again’ then I suggest you listen to the review again (12.45-12.55) so you’ll know what I meant.

I am also not suggesting that techmoan said “WAIT don’t install” or anything like that, that’s what YOU made of it…

>i thought it was suspicious is why i asked tech
I don’t understand why you’d think it was suspicious…what is and why?? I simply asked why Mat mentioned that he would have placed the Mini if the K1S wasn’t already in his car; nothing more, nothing less and I didn’t imply anything else either.

July 14, 2015 | Unregistered Commenterrick

Love the K1S design... but I have a small personal fleet of cars... would like to install the cameras permanently in cars and be able to move the DVR part from car to car. Basically, have the DVRs follow the drivers in the family. Would need 3 DVRs and 6+ sets of cameras.

I assume these cameras are proprietary. Does anyone sell the cameras separately? I'd hate to buy extra DVRs... would likely wait for a manufacturer who would sell cameras separately.

Thanks in advance.

July 17, 2015 | Unregistered CommenterBuckyKattNJ

Roadcam does have additional cameras for the K1S available for your application.

July 17, 2015 | Unregistered CommenterRoadcam, Inc.

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