wireless extender, high-definition video transmission, 50 meters wireless 1080P transmitter, multiple receivers, screen projector and easy to use, easy to carry, and mini in appearance. Supports multiple resolutions, including 480i/576i'1080P@50/60hz. 3. Supports 5G single frequency, fast transmission speed, and strong anti-interference ability The external antenna supports long-distance transmission of up to 50 meters in the air expansion environment (pay attention to the interference of the surrounding environment). Plug and play, the computer does not need to install the driver. Wireless screen projector, supports one-to-many mode (one-to-one/one-to-two/one-to-three/one-to-four) multi-screen display; supports many-to-one mode (supports up to 6 transmitters + 1 receiver, does not support multiple pairs in the same space or room), which is equivalent to a wireless switch, switching the screens of 6 laptops one by one to 1 display device for display, which is very suitable for office meetings. Transmission distance: 1. Outdoor open environment 50m/660FT 2. Indoor non-wall penetration 30m/164FT 3. Through the wall (1 wall) 5-15m/32-65in 4. The upper and lower layers are preferably within 5m/32FT resolution: 480i/576i1080@50/60HZ frequency: support 5G single frequency, fast transmission speed, strong anti-interference ability and HDCP version: HDMIV1:3.HDCP1.2 Power supply: adapter: 5V/1A power consumption Plug and play, no need to install drivers Color: Black Material: plastic Package Contents: 1 * transmitter 1 * receiver 2 * USB power cord 1 * male to female cable 1 * female to male converter head 1 * female to female converter head 1 * English user manual 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.