Feature 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.Item Type: HD Multimedia Interface Transmitter ReceiverMaterial: ABSTX Transmitter Parameters:Chip: AM8360DNetwork: WIFI 5GHz 1T1RDisplay Input: 1920 x 1080 60HzTransmission Interface: HD Multimedia InterfacePower Supply Interface: Type COperating Voltage, Current: DC 5V 1ARX Receiver Parameters:Chip: AM8268DNetwork: WIFI 5GHz 1T1RDisplay Output: 4096 x 2160, 2560 x 1440, 1920 x 1080, 1280 x 720Transmission Interface: HD Multimedia InterfacePower Supply Interface: Type COperating Voltage, Current: DC 5V 1A Package List1 x HD Multimedia Interface Transmitter1 x HD Multimedia Interface Receiver2 x USB Cable1 x HD Multimedia Interface Adapter1 x Instruction ManualNoteSame screen function requires both computer and device support.