inputs.text: worked fine two days - bought mainly due positive reviews got dashcam websites mistakeworked fine two days would freeze screen would turn grey record light would go blinking recording normal solid checking sd card files recorded solid record light time frame corruptedi updated cam latest firmware helped briefly able drive 10 minutes froze thing grey screen solid lightas unit not even power power light illuminates screen rehemains dark no amount reset button pushing get come onseeing shipped china not sure send back get refund seller page states give refund sent back guess find outoh user manual states use sd card class 6 card send class 4but hey pen works pretty good guess something