1. Transmit video and audio signals over long distances through , up to 30 meters; 2. Compatible with HDMI1.4 and 1.3 standards; 3. to automatically identify and configure various display modes 4. Built-in automatic equalization system, smooth, clear and stable picture; 5. Both receiving and transmitting are interfaces, no software, no settings, no drivers, just connect to cast the screen; The wireless transmitter adopts the standard 802.11AC protocol and transmits high-definition audio and video signals through 5G wi. It can transmit HDMl high-definition videos from , players, PCs and other devices through WiFi, and can realize one-to-one application. The device has excellent image processing and transmission capabilities, making signal transmission smoother and more stable. Video support protocol: DM1.4 Video maximum support resolution: 1920X1080 60Hz Interface: -A interface Output: (audio and video synchronous output) Encoding format: 264 WiFi protocol: standard 802.11 a/b/g/ac Transmission distance: up to 30 meters in an open environment Power supply: USB power supply, 5V/2A Maximum power consumption: MAX 3W Working temperature/humidity: 0℃-50℃/10%-809%RH (non-condensing) Number of transmitter interfaces: 1 transmitter Interface: Transmitter resolution: 1080P Receiver running memory: 1G Receiver storage space: 1G Receiver reception: built-in antenna Receiver interface: Delay: 80-100ms (open environment) Colour:Black Material:Metal Package Contents: 1 x Transmitter 1 x Receiver 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.