Reverse using features: 1. Auto switching when reversing Under power-on condition. When reverse gear is on, the system automatically switches from DVD/VCD video to backup camera video. And when parking is finished, it will switch back automatically, which can ensure parking safety. 2. AV signal auto detecting power on/off Under power-off condition. When reverse gear is on, the system automatically starts to search for the camera signal and display backup video. When parking is finished, it will switch off automatically. Specification: Show foot size: 4.3 inches. Best for the safe use of Rear view; Displays: TFT-LCD. high-definition screen, make the image clearer, more vivid colors; Resolution: 480 (H) × 272 (V); Power: ≤ 2W. Ultra-low power consumption, to prevent over heat. Video Input: AV1/AV2 video input, AV1 VCD / DVD video output signal (system default), AV2 connection reversing camera (reversing automatically switch to); Signal format: PAL / NTSC / AUTO. Compatible with all signal formats. Contrast: 300:1. A clear contrast Working Voltage: DC 12V. Car Camera features: 2.4GHz Wireless Camera(Transmitter / Receiver) High-definition and wide viewing angle IR LEDs Night Vision Weatherproof/Waterproof, can be used both in car and home Resolution: 480 TV line Applicable to variety of vehicles: car, mini-truck, mini-van etc vehicle length (12V working Voltage) Perfectly solve the issue of bad car rear view effect ,can help reduce incidents and accidents Image sensor: PC1030 (Distance reference marking display) Lens angle:3.6mm(92deg)/2.8mm(120deg) Power supply: DC 12V S/N Radio: better than 48db Video output: RCA connector, 1.0vp-p,75ohm Waterproof grade: IP68 Effective Pixels:628x586pixles/PAL,510X496pixels/NTSC Package include: 1 x 4.3 inch TFT LCD Mirror Monitor 1 x Camera 1 x Power cable 1 x Transmitter 1 x Receiver 2x User Manual (NO car charger)