YI Mirror Dash Cam, Dual Dashboard Camera Recorder with Touch Screen, Mobile APP, Front Rear View HD Camera, G Sensor, Reverse Monitor, Loop Recording Two HD cameras including a front facing 1080p HD camera, and rear 720p HD camera Easy to set-up, it fits comfortably over your existing rearview mirror Integrated LCD 16:9 touchscreen for easy control and preview 240mAh battery 3.7~4.3Vwith NTC, Operating temperature: 14F Degree - 140F Degree. Built-in Wi-Fi for app connection **YI Mirror Dash Camera rear-view cabling is 6.5m (21.3ft)