... ,8CHS transmitter,credibility,synchro transmitting AV signal,use for mid-distance of wireless transmitting ... ColorsilverReceiver Ingenious-85dBmUnobstructive Effective Range/Package12CH receiver, 1 antenna, AV cableOperation Temperature-10 0C ... : Working VoltageDC 12VWorking Current320mAOutput Frequency1.2G/0.9GChannel Number8CHSOutput Power1500mWVideo Output1 Vp ... channel with transmitter and receiver