Model: V3 Wireless Extender Compatibility: Supports for systems, mobile phones, tablets, computers, set-top boxes, etc. Resolution: Supports up to 4K for phone screen mirroring (DP protocol required); 1080P/60Hz for other devices. Transmission: 5G wireless audio and video transmission with a speed of 150N and protocol of 450. Connectivity: and VGA output interfaces, plug and play installation, no software required. Includes point-to-point and software screen mirroring modes. External antenna for enhanced signal strength. Note: Mobile device must support DP protocol for 4K mirroring. Color: black Material: Metal+Plastic Package Contents: 1 x Receiver 1 x Transmitter 3 x Cable 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.