Car digital video recorder records road conditions infront of you in real time, records all outside and inside events,can record video when the device feels the impact, for example, car accident, brake and speed bumps etc. it provides timely and strong evidence to address accident and distinguish responsibility to protect your side of the story in the event of an accident. In additional, you will never let beautiful scenery pass you by while driving. car video recorder can capture video for legal or insurance purpose, which also can be hooked up to an in-car TFT LCD screen for simultaneous viewing or playback. The DVR has an SD/MMC card slot support memory card, can be connected with TV, some with GPS Navigation fuctions support google map, car video recorder is the road safety guard for drivers.