Color: Black - Metal housing case - Channel: 4 channels (CH 1=2414MHz CH 2=2432MHz CH 3=2450MHz CH 4=2468MHz) - Allows dual channels audio and one channel video signals - AV standard: PAL (6.5MHz) / NTSC (6.0MHz) - Transmission power: 32.5dBm - Receiver sensitivity: -90dBm - Power: 3W - Working range: 100~2000 meters - Video signal: NTSC/PAL 1Vp-p 750hm - Audio signal: 2Vp-p 2Kohm - Working voltage: DC 12V - Working temperature: -20~60'C - Package includes: - 1 x Transmitter - 1 x Receiver - 2 x Antenna - 2 x Power adapter (AC 100~240V / 2-flat-pin plug / 110cm-cable) - 2 x AV cable (130cm) - 1 x English user manual