Buy an 808 from a seller who lists the version number. If a camera is sold as 720p and takes 720p video, but has a 480p image sensor, it's a fake. Marketing pressure to falsify a high resolution by up-scaling images, increasing the data streams with no increase in quality.Otherwise you might get anything, even the worst version. You must supply your own micro SD or micro SDHC card, class 4 or faster. Quality can be dependent on the camera version, and the quality of the SD (SD or SDHC) flash memory card.Prices are typical for cameras delivered from a seller in China to the US. A very slow card can sometimes lower the video quality.
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I ordered one and received an 808 #25, a low quality MJPEG camera. I submitted a "not as described" dispute at e Bay and got a full refund from the seller. The overrun might cause an increased missing frame rate or other problem.
Video in 480p is mostly MJPEG, never H.264 and the #7 used Xvi D. A class 4 or faster card is recommended, but faster than class 4 usually does not improve things, and some class 10 cards have been known to cause some problems.
150227 480p Aspect Ratio Concern - Most 808 480p cameras have a 640x480 image sensor (aspect ratio 1.33) but the record AVI video file is scaled to 720x480 (1.5). Use Crystal Disk Mark to measure the 512K random write speed and if it is less than 1.0MBps, don't use it.
For objects in the video to be played at the correct aspect ratio, the AVI file must be scaled to aspect ratio 1.33, i.e. #16 (starting at US$37) seems to be the best 720p version. A 512K random write speed of 1.5MBps is recommended.
When trying to identify your camera version, only use a video that you made with your 808.
Compare a video frame from your camera to frames in this table, or try this table. How the camera hunts for exposure and white balance can also vary.The 808 is a small color video camera with audio that also takes photos. Don't use any documentation that came with your camera, the sellers description or a sample video from the seller. The quality can be what you would expect from a medium quality cell phone but not what you would expect from a Canon or Nikon digital camera.I received and reviewed my first 808 car keys micro camera (version #1) in September 2009. Quality is reduced in the design of some 808 versions to reduce cost in the following ways. Underpowered processor with a simple video compression (MJPEG) that can cause a large data stream and data overrun the SD card.I received email from many other 808 owners, thank you, who described how the electronics and functions of their 808 were different than mine. 150729 BUYER BEWARE - 720p H.264 description, 480p MJPG delivered. Insufficient RAM buffering to reduce data overruns at the SD card.I started enumerating and documenting the many versions and this website grew. I select micro cameras to review that are 40 grams maximum. e Bay #301687375162 was ordered in Germany and an 808 #27 480p MJPEG was delivered. If a camera has a 480p image sensor it is not a 720p camera. Poor quality control in badly soldered hand-soldered parts.