excellent value for 3 Hours of Operation

The price of a Go-Pro being prohibitive, I risked choosing an unknown brand: No regrets! image quality is there, whether in picture or video. The attached document is in several languages ​​... but not in French. However the camera menus are easily configurable, and there the French part of the menu. Overall the functions are quite understandable. I even found a presence detector that activates the video function when the subject is moving and pauses when the subject is motionless.
The remote control can activate the camera to a distance of 3 meters. One regret, however, no fastening system is provided for fixing the remote on monopod.
The battery lasts for over an hour. The memory card (not supplied) 32 Gb allows recording about 3 hours.
I tested the fixings provided on a motorbike and in cars all held up well.
I wished to have additional batteries (SJ4000) I ordered on the site and there Amazone disappointment: the thickness of the battery is 1.2 mm too large. It is insignificant, but enough to generate device malfunction. I am looking for batteries on another site.
I have not yet tested the immersion of the device.