4 stars: for the 車道偏離技術, it doesn't work well (we expect it give out some warning signal when we asleep and close to the lane line) and the sound signal given out when lane changing or after lane changed even we set the highest sensititivy. for the 防碰撞前車技術, it work but not too satisfiy it. Now only give out sound signal when too close . ....but it really too close.... i want it can give out sound signal when the previous car is in front further even i set the highest sensitivity (just give me a higher sensitivity option...) as i think further high sensitivity can give me a further safe journey. Overall it was a very good product, but hope above can be improved. if there were any update, please let me update too. (yveswusii@gmail.com) Thanks!
3 stars: Thinkware F770 wi-fi does not work with google pixel. Its too difficult to connect with wi-fi. I spent so much time figuring this out and still does not connect with my phone, I hardwire my device. I finally figure out what's wrong. I originally connected ACC or red wire to 10 amp fuse, wifi keeps dropping on me. The device works fine when I use cigarette​ outlet using the supplied wire. I did find my cigarette fuse mine has 20 amp fuse. Connection ACC or red wire to cigarette fuse 20 amp. Yellow wire or Battery to 15 amp fuse then Black wire to ground. It works fine now. The only issue was like every body else who made comment. You have to physically hit the wi-fi button when you want to see your recording.
4 stars: ...