Features:

Built-in 5000,000 pixels high resolution camera
Recording resolution: 1280*720
Recording frame rate: 30 fps
AVI video format
Supports real time playback
Recording mode: automatic records when car power is on
Built-in microphone
Circular records automatically, over-write if memory is full
USB port: connect to computer for upgrade and backup
Car cigarette lighter power supply, easy installation
After car power is off, Li-ion battery will provide power to prevent video files loosing
Working voltage/current: DC 5V/400mA