Usage Tips:Using this product can avoid the interference caused by 2.4G wireless devices such as routers and Bluetooth-Compatible,and there will be no problems such as cable entanglement or cumbersome scene arrangement when using this product.Therefore,it is widely used in home audio and video,education,square broadcasting,outdoor singing,concerts and other places. Using 5.8G technology for high-bandwidth and low-latency transmission. Maximum support for 50 meters distance transmission. External antenna, better transmission effect. Automatically connect when powered on. Support 480i/576i; 720P/1080P 50/60hz Direct-plug HDMI-Compatible design can save users from having to buy HDMI-Compatible cables Adopt the widely used power interface Type-c for power supply Low-power consumption product,and common device USB can supply power Version:HDMI-Compatible 1.3 HDCP-Compatible version:HDCP-Compatible 1.4 Video coding format:H.264 Maximum pixel bandwidth:165Hhz Maximum data bandwidth:4.5Gpbs Support resolution:1080P/60hz Maximum transmission distance:50M RX power consumption:5V/0.28A(1.4W) TX power consumption:5V/0.36A(1.8W) Radio frequency:5800Mhz Transmitting power:17DB Color: black Material: plastic+metal Package Contents: 1 x Receiver 1 x Transmitter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.