Two Types: One type:One camera One type:Two cameras Description: 1. 7-Inch HD TFT LCD Widescreen Monitorwith Built-in 2.4GHz Wireless Receiver 2. Rearview Night Vision IR Waterproof Backup Reverse Camera with Built-in2.4GHz Wireless Transmitter --Auto Water-Proof Camera Lens, with 18 individual Infrared (IR) LED. Effective range: 15m. It help your view still clearly at night or in bad weather. 3. With 2 Video Input--The video 1 can used to reverse and the video 2 can used to watch DVD / VCD / TV / GPS . 4. Easy to install--Wireless parking assistance; The monitor will start up automatically, and synchronously display the video from rearview camera when you're backing your car. 5. IP 68 waterproof grade can cope with marine environment. Hard Metal Cased Camera ,Waterproof and Mud proof. It can last for longer without heating up, so you can show the rearview all time. Specification: 2.4GHz analog wireless 7-inch monitor Operating : 2400-2483.5 Mhz Transmission distance: 50 meters Compression format: MPEG 4 video Transmit frequency:18 dBm Transmission speed:12 Mbps FHSS: Hopping Spread Spectrum Hopping rate:1200 / S Screen size: 7-inch 16:9 Resolution: 800RGB x480 dots TV System: PAL / NTSC Operating voltage: 12V / 24V DC Power: ≤8.64W Operating temperature: -10 degree to + 65 degree 2.4GHz digital wireless camera: Standard NTSC: 720*580 pixels Resolution: 600 TVL Lens: 2.5mm Minimum illumination: 0Lux (LED ON) Infrared light: 18pcs Night vision distance:15 meters Waterproof: IP67 View angle:120 ° Operating voltage: 12 / 24V DC Operating temperature: -20 ° C ~ + 70 ° C Shell material: Aluminum Mount material: Metal Package content: 1 x 7" Car Monitor 1 x Backup Camera 2 x Antennas 1 x Car Charger 1 x Holder 2 x Power Cable 1 x Remote Controller 1 x Two-sided Adhesive Tap 1 x Instructions