1. Wireless transmitter Box+Wireless Receiver Box

2. Frequency Range:2.4GHZ;one pair one, No interference

3. Transmit power:20dbm,Theoretical transmission distance 800m

4. DC Input  voltage:9V-36V;TX 4pin output:12V,RX 4pin output:same as DC input

(Usually RX is powered by other devices through 4pin, no need  DC to connect power)

5. Metal Shell ,Waterproof:Ip67

6. Operation Temperature:-20℃~+80℃

7. Simultaneous transmission of video and audio

8. TX support any type cameras ,RX output:CVBS@30fps/AHD720P@30fps/AHD1080P@25fps(for choice)