... .2G 3000mW 12 CHS wireless receiver and AV transmitter Features: Digital display,receive sensitive,many working channels ... ,suit for wireless surveillance projects. Digital display,12CHS transmitter,credibility,synchro transmitting AV signal.Specifications: Receiver: Working ... Range2000-5000 MetresPackagetransmiter,1antennas, TX cable, transmitter power source.Operation Temperature-10 0C+50 0C