[Wireless HDMITransmission]Wireless Transmitter and Receiver are designed to wirelessly stream video and audio to big display without delay. You could cast any contents from laptop/camera/Cable Box to HDTV,projector, monitor.Rapid video updates and sound synchronization but we don't recommend using it in the games. because wireless item will have a little latency in gaming [Up to 30M Wireless Transmission Distance]This wireless extender transmits distance from laptop, PC to HDTV projector within 50m. Connect the transmitter to the source, then connect the receiver to the HDTV/projector. NOTE! It is better not to have obstacles (walls), and the transmission range is enough to cover the entire classroom, conference room and the entire place [4K Image quality]Ultra HD quality, It requires an external power supply for the transmitter and receiver.The current for is lower on some computer, the power light on the transmitter will be weak or extinguished, please use the type c cable to support the transmitter.All signals transmitted to the receiver are 4K at best and no latency [Improve Efficiency and Plug & Play]This wireless transmitter and receiver without taking up much space, fast start-up and operation. USB powered, no annoying driver, you can wireless share any content on the big screen when you plug it in. It is very suitable for business talks and company meetings and for sharing meeting materials and more. [Wide Compatibility]Compatible with most output devices, Blu-ray players, cable/satellite boxes, tablets and more. Compatible with most output devices, laptop, PC, Blu-ray Player, Camera,Cable/Satellite boxes, tablet and more.USB powered, Ultra HD quality All signals transmitted to the receiver are 4K at best and no latency without taking up a lot of room, Quick start and operation 4k Wirel Transmitter And Receiver|4K Ultra HD Quality:Delivers crystal-clear 4K resolution for an immersive viewing experience. Wireless Transmission:Streams video and audio wirelessly up to 30M, eliminating cable clutter. Plug & Play Convenience:Effortless setup with USB power and no driver installation required. Wide Compatibility:Works with output devices, including laptops and gaming consoles. Low Latency:Enjoy smooth, real-time video updates with minimal latency for seamless presentations. How to connect: Plug the transmitter into the of your device (laptop, PC, satellite box, game console) Connect the receiver to the desired screen through the (You need to prepare Type-C cable and 5V/1A charger for the receiver), then press the play button.Say Goodbye to Messy Cables Enjoy a clear picture from small to large screens with virtually no delay and smoothly. Avoid the hassle of using multiple cables to connect devices in your TV room or office. Specifications: Wireless Transmission Range: Up to 30M Resolution: 4K Ultra HD Power Supply: External power for transmitter and receiver Compatibility: Compatible with most output devices Connectivity: Plug & Play, USB powered Latency: No latency in video transmission Color: Black Material: Plastic Package Contents: 1 x Wireless Transmitter 1 x Wireless 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.