(Wide Compatibility) It can securely transmit screens from your computer, laptop, etc. to your TV, etc. In addition, there is a privacy mode for peace of mind, and when you press the function button on the receiver, you can connect and disconnect it. Very convenient (1080P Resolution) Uses 2.4G/5G dual band signals, so you can enjoy high-speed transmission rates and enjoy 1,080P full images and high quality audio on a large display. Perfect for living rooms, conference rooms and classrooms (Long Distance) Combined with the receiver and transmitter, it can realize a transmission distance of 98.8 ft (30 m) and plays the screen between a laptop or a DV. It also has a distance of 10-15m signal transmission if there are obstacles such as walls No Settings Required: There is no complicated settings, just plug it in. No application or WiFi required. No troublesome settings or connections, simply plug in and output your laptop or DV's screen to another monitor Colour:Gray Material:plastic Package Contents: 1 x HDMI-compatible Transmitter 1 x HDMI-compatible 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.