Wireless Car Backup Reverse Camera 7 Monitor Rear View Kit For RV Truck Trailer

  

7-inch high-definition 1024600 widescreen monitor? Built-in 2.4GHz wireless video transmitter, no wiring required to connect to the display?

Each camera has 18 LED infrared lights, and the infrared effective distance is 20 meters. Ratio switching: 16:9/4:3?

Remote control: infrared remote control? Video recording: supported (maximum memory 128G)? Signal format: PAL / NTSC automatic detection? Signal amplitude: 0.7-2.0 V p-p?