[HD Wireless Transmission]: This wireless transmitter and receiver supports 4K decoding technology, provides clear and smooth video and audio transmission, supports screen mirroring and screen extension functions, ensuring you enjoy a seamless visual experience when watching HD videos or making presentations. [Dual-band signal support]: Supports 2.4G and 5G dual-band wireless signals, improves signal stability and transmission speed, effectively reduces interference, and ensures signal quality in long-distance transmission. Plug and play, easily connect within 10 seconds. a lot of time and trouble of traditional wired connection. [Plug and Play Portable Design]: No complicated installation or configuration is required, just a simple connection is enough to use, it is an ideal choice for occasions such as large-scale conferences, teaching, home theaters, outdoor theaters, live cameras, live sports, photography work and games. The portable design allows you to easily carry it to wherever you need it. [1080P HD Output]: The wireless transmitter and receiver can reach 98 feet (30 meters) long-distance transmission. Even on display devices that do not support 4K, the device can provide 1080P HD output, ensuring clear image quality to meet the needs of daily office and entertainment. [Wide Compatibility]: Compatible with a variety of devices, including laptops, PCs, TV boxes, cameras, projectors, etc., it is an ideal choice for connecting video sources to displays or projectors, and is very suitable for home, office and educational use. Note:Different factory batches may have different appearance and words, which not affect the use. Colour:Gray Material:Plastic Package Contents: 1 * transmitter 1 * receiver 2 * USB cables 1 * English instruction 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.