Resolutions : Up to 1080P Signal transmission: up to 20km Color : 8/10/12 bit deep color Audio format : stereo, 7.1CH Max working current : TX 420mA, RX 480mA Weight : TX 0.3Kg, RX 0.3Kg PSU : Input AC (50HZ, 60HZ) 100V-240V, output: DC5V/1A Working temperature / humidity : 0℃~55℃ / 10%-80%RH Storage temperature / humidity : -10℃~75℃ / 5%-90%RH HDMI Version : HDMI 1.4b Package contents : 1pc x HDMI Transmitter 1pc x HDMI Receiver 2pcs x 5V/1A Power adapters 1pair x IR cable