1It adopts wireless transmission mode and does not need to set up communication cables. 2The image and sound are transmitted simultaneously, compatible with color/black and white pictures. 3Respond quickly and timely, high sensitivity, realtime transmission, which is dependable to use. 4Using frequency modulation method, strong antiinterference ability and good image quality. 5High integration, stable and reliable work performance, long transmission distance. 6Compact size, light weight, simple to install, easy to carry and store, convenient for using. Item Type: Wireless Transmitter ReceiverMaterial: Metal Transmitter : Size: Approx. 73 x 41 x 14mm/2.9 x 1.6 x 0.6in Transmitting Power: 1.5W Transmitting Frequency: HC1:1080 HC2:1120 HC3:1160 HC4:1200MHz Frequency Control: Digital frequency phase-locked loop control, lock each lock point. Transmission Signal: Simultaneous transmission of image and sound Transmission Distance: Approx. 1000-2000 meters Voltage: DC+12V Current: 500mA Receiver: Model: FOX-R02 Mediation Type: FM Receiving Frequency: 0.9-1.2GHz Receiving Signal: Video and audio, image synchronous transmission Receiving Sensitivity: -85dBm Video Input Level: 1Vp-p Audio Input Level: 1Vp-p Working Temperature: -20-+50/-4-+122 Working Humidity: 85%RH Storage Temperature: -40-+80C/-40-+185 Size: Approx. 115 x 60 x 20mm/4.5 x 2.4 x 0.8in Voltage: DC+12V Current: 500mA How to Use: 1. Connect the transmitter to the camera and power on, and the receiver to the display to power on 2. Adjust the frequency to be consistent, and it can be used normally within the effective distance after displaying the image. 1 x Receiver 1 x Transmitter 2 x Antenna 1 x Transmitter Connection Cable 1 x Audio Video Connection Cable 1 x Manual