... Product Description 1.2G 3000mW 12 CHS wireless receiver and AV transmitter Features: Digital display,receive sensitive,many working ... channels,convenience,credibility,suit for wireless surveillance projects. Digital display,12CHS transmitter,credibility,synchro transmitting AV signal. ... -5000 MetresPackagetransmiter,1antennas, TX cable, transmitter power source.Operation Temperature-10 0C+50 0C