Measy AV540 5.8GHz Wireless Audio / Video Transmitter and Receiver with Infrared Return Function, Transmission Distance: 400m

Measy AV540 5.8GHz Wireless Audio / Video Transmitter and Receiver with Infrared Return Function, Transmission Distance: 400m1. Band: 5.8GHz ISM, 8 channels are optional 2. Transmission distance: 400 meters 3. Support system: PAL/NTSC 4. Interface: RCA (AV) 5. Transmission method: Wireless 6. Support through wall transmission 7. Digital display channel, convenient and intuitive 8. Shell: aluminum, super cooling effect 9. Support infrared return function 10. Product size: 10x10x2.7cm...