Features 1.[Dual Mode] Support dual mode of screen cast and same screen. The screen is synchronized to the big screen in real time, displaying the same screen. Or extend the second screen, can extend the current computer desktop, computer and TV screen is not the same as each other. 2.[Multi To One Screen Cast] A single receiver can be paired with multiple transmitters, no need to unplug the transmitter back and forth, a key click to switch freely, a receiver supports the simultaneous pairing of 8 transmitters, presentation, meeting process more efficient. 3.[Sound And Video Synchronization] Through the receiver and transmitter, the video output device with HD Multimedia Interface interface can synchronize the sound and high definition images wirelessly transmitted to the TV, large screen all in one machine, projector and other large screen display terminal. 4.[No Delay] HD Multimedia Interface transmitter receiver is simple to use, built in 5GHz 1T1R antenna, just connect the screen and power cable, you can easily cast the screen, no delay. Support for Macbook, tablet, cell phone, etc. No HD Multimedia Interface interface devices need to be used with HD Multimedia Interface adapter. 5.[Plug And Play] Wireless same screen device kit, no need to network, plug and play, provide high definition large screen viewing, clearer vision, suitable for large screen movies, real time synchronous playback. Can be used for office meetings, presentations, sharing sessions, etc. specificationItem Type: HD Multimedia Interface Transmitter Receiver_x000D_ Material: ABS_x000D_ TX Transmitter Parameters:_x000D_ Chip: AM8360D_x000D_ Network: WIFI 5GHz 1T1R_x000D_ Display Input: 1920 x 1080 60Hz_x000D_ Transmission Interface: HD Multimedia Interface_x000D_ Power Supply Interface: Type C_x000D_ Operating Voltage, Current: DC 5V 1A_x000D_ RX Receiver Parameters:_x000D_ Chip: AM8268D_x000D_ Network: WIFI 5GHz 1T1R_x000D_ Display Output: 4096 x 2160, 2560 x 1440, 1920 x 1080, 1280 x 720_x000D_ Transmission Interface: HD Multimedia Interface_x000D_ Power Supply Interface: Type C_x000D_ Operating Voltage, Current: DC 5V 1A PackageList1 x_x000D_ _x000D_ HD Multimedia InterfaceTransmitter 1 xHD Multimedia Interface Receiver 2 x USB Cable 1 x HD Multimedia Interface Adapter 1 x Instruction Manual NoteSame screen function requires both computer and device support.