dual 720P camera car dvr recorder with G-sensor GPS

Dual camera
1. Front camera: HD1280x720P@30FPS
Back camera: HD1280x720P@30FPS
2. 120 degree view angle
3. MOV video format, H.264 codec
4. Motion detection
5. SOS function
6. Built-in G-sensor
7. External GPS(optional, price not include)
8. Micro SD slot
9. USB2.0/HDMI
10. battery: 800mAh 5V Polymer Li-ion battery
dual 720P camera car dvr recorder with G-sensor GPS