Two HD cameras including a front facing 1080p HD camera, and rear 720p HD cameraEasy to set-up, it fits comfortably over your existing rearview mirrorIntegrated LCD 16:9 touchscreen for easy control and preview240mAh battery 3.7~4.3V(with 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)