2023 Update AHD Digital Wireless Backup DVR Record Camera and 4CH 9 Inch AHD Monitor Kit For Truck/Trailer/Bus/Pickups/Trailer Features: Top Signal transmission distance: 150 meters 4 Channels Signal Input , Support for loop recording Super easy 1 step installation Very low wireless signal delay Can display 2 ~ 4 Camera at the same time . Rearview Night Vision IR Waterproof Backup Reverse Camera with Built-in 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. Split screen: Can display 2 ~ 4 screens at the same time Real shot: AHD Wireless Car DVR Monitor: Screen size: 9-inch screen IPS screen: Support Format: 16:9 Screen brightness: 500CD / M2 Effective pixels of the screen: 1024*600 Record video pixels: 1280*720 Loop recording: Support Split screen: Support Real-time playback: Support Mirror function: Support for 4 types of rotated image display Night vision image: automatic gain control, automatic white balance. Power supply voltage: 12V-30V Menu language: Support English, Russian, Spanish, Italian, Dutch, French, Chinese. AHD Wireless Car Camera: Effective pixels: 1280×720P Image horizontal resolution: 130W pixels Video output: AHD VIDEO (720P) Night Vision: With 18 individual Infrared (IR) LED. Effective range: 20m Material: zinc alloy Lens: 14/16MM Low illumination: 0.01Lux Signal to noise ratio: 69dB Working power supply: DC12V-30V Working temperature: -20 ° C ~ 50 ° C Installation Guide: 1. Click “Pairing” by setting. 2. Then connect the camera to the power supply. Super easy 1 step installation, up to 100 meters wireless transmission distance, suitable for any vehicle. Package content: Wireless DVR Monitor Wireless Cameras ( 1~4pcs, Optional ) SD Card ( Optional ) Power cable Installation kits Cigarette lighter Remote control Fixed bracket Related Products: car monitor,dash cam,car screenbackup camera for car Assembled Product Weight: 0.35 oz Brand: Momo Manufacturer Part Number: Please see product details