Features: * Compatible with all cameras * Utilizing UTP wires * Effective distance; max 1200m * LED indicates power and video Specifications: Mode TVT 400 Receiver Transmitter Power Supply AC 9V/110mA AC 9V/105mA Operating Frequency DC to 6MHz Common Mode Rejection 0 ~ 6MHz 60dB (Typical) Wire Size 24 ~ 16 AWG UTP UTP Category Unshielded Category 5 or better Impedance 75 ohm(coaxial cable with BNC male connector) DC Loop Resistance 18?/ 100m Distributed Capacitance < 62pf / m Operating Temperature -25 degree ~ +70degree Storage Temperature -40 degree ~ +150 degree Humidity Rage 0 ~ 95%, non-condensing Net Weight 320g 310g Dimension 136 * 132 * 28mm 136 * 132 * 28mm