Model: 12-3 - Quantity: 1 - Color: Grey - Material: Aluminum alloy - Voltage: 12V - Current: 350mA - Output power: 34.70 dBm - Transmit and receive frequency: 1.2GHz - Video output: 1Vp-p - Operating temperature: -20~60'C - Transmission power: 3000mW - 16 channels video audio sync - The frequency for each channel is 1080MHZ / 1110MHZ / 1130MHZ / 1150MHZ / 1170MHZ / 1190MHZ / 1210MHZ / 1230MHZ / 1250MHZ / 1270MHZ / 1290MHZ / 1310MHZ / 1330MHZ / 1350MHZ / 1370MHZ / 1390MHZ - Transmit distance up to 1~3 kilometer (No obstacle) - Packing list: - 1 x Transmitter - 1 x Receiver - 2 x Antennas - 2 x 2-Flat-Pin power chargers (100~240V / 111cm) - 2 x Video cables (90cm) - 1 x Chinese / English user manual