Review on GIZTEK Rear Bike Light Camera Combo: 1080P Full HD, Rechargeable Battery, 32GB Memory Card - Cycling Dashcam with Tail Light by Ryan Williams

Video quality is decent to good. The device was bigger than I expected, but it's minor and the light is ok. My biggest problem with this camera is the mounting system. It looks like the mount is for a larger diameter seat tube, not necessarily the seat. If you have a seat post you will need to mount the camera higher towards the saddle, which means mounting it on the seat post, not on the tube that the seat post fits into. I have a 27.2mm seatpost and couldn't attach the camera tight enough even with the spacer. The camera kept moving sideways while driving, so I had to reach back to straighten it. This was evident in the video where I couldn't see the cars approaching me from behind because the camera was tilted to the side. The seal does not stick to the camera with the supplied adhesive and can easily be lost when removing the camera or even when driving over bumps in the road. I live in an urban environment and would like a mounting system that can stay on the bike and where the camera can simply be snapped on or screwed on as needed. At this price the quality of the camera is good and the overall value is good. Attachment is not secure.