... -85dBmUnobstructive Effective Range/Package12CH receiver, 1 antenna, AV cableOperation Temperature-10 0C+50 0CTransmitter: Working VoltageDC 5V TO 12VWorking Current150mA to 300mAOutput ... Effective Range100-2500 MetresPackagetransmitter, 1 antenna, TX cable,Operation Temperature-10 0C+50 0CInstalling:A.The line has plugs for connecting transmitter ...