Wire Backup Camera System. Wireless Backup Camera System. 9 inch 12-24V wireless trucK monitor in car screen with Rear View Camera Car TV For Bus RV Trailer Excavator Reverse iamge. Please turn off FM radio, wifi or other electronic product to avoid the signal interference. Please press the 1st button on monitor or press video select on remote to AV2 which works for wireless camera. There are 2 channels for the cameras:2370(Rear view camera) and 2510(Front view camera). Please switch each by pressing the 2nd button on monitor or pressing model Select on remote 4. For maximum signal point the antennas towards each other 5. Keep monitor and camera at least the distance of 2 meters(about 78.7). Or camera and monitor will interfere with each other 6. The IR camera has night vision, it will turn red when light is low. We take a different approach to the market. We partner with top-notch manufacturers, use best parts, perform. Stringent quality control, all to deliver real long-lasting products to our customers, while still at a great price. On top of the high quality, we also stand behind our products to provide great service. Our products may fail unexpected glitch, but our service will not. All together, we strive. To provide the best products and an amazing online shopping experience to every customer. If you have any questions please contact with us, before leaving a Negative or Neutral feedback, we will do our best to make you feel satisfied.