Transmitting Power: 800mW 
Frequency: 1.2G / 1.3G 
Dimension: 53*45*19mm
Channel: 8 channels, Vidoe and Audio Synchronization. 
Distance: (Open/unobstructed Space)  1000~2000m
Package Including: 12 channel Receiver, Transmitter, Two pcs of small antennas, Transmitter connecting cable, Video/audio cable
Digital Display