Feature: 1. MULTI PAIR SCREEN THROWING: Wireless HD Multimedia Interface transmitter is designed to work with the WD9505 wireless simultaneous screen system, realizing that a single receiver can be paired with multiple transmitters, eliminating the need to unplug and unplug the transmitters during the conference process. 2. ONE CLICK SWITCHING: Wireless HD Multimedia Interface transmitter one key tap to switch the screen casting switch, 1 receiver supports simultaneous pairing of 8 transmitters, the demonstration of a smoother connection, the meeting process more efficient. 3. SUPPORT DUAL MODE: 4K HD Multimedia Interface transmitter supports screen casting, same screen dual mode, screen mirroring real time same screen, real time synchronization of the screen to the big screen, display the same screen, share what you see. 4. SCREEN EXTENSION FOR SECOND SCREEN: Screen extension second screen, you can extend the current computer desktop, computer and TV screen is not the same, for office and entertainment to set up an exclusive area (this feature requires both computer and device support). 5. PLUG AND PLAY: Wireless display extender kit is plug and play, built in 5GHz 1T1R antenna, just connect the big screen and power cord, you can easily cast the screen without delay. for Macbook, tablet, cell phone, etc. Need to use with HD Multimedia Interface adapter. Specification: Item Type: HD Multimedia Interface Transmitter Material: ABS Chip: AM8360D Network: WIFI 5GHz 1T1R Display Input: 1920x1080 60Hz Transmission Interface: HD Multimedia Interface Power Supply Interface: Type C Operating Voltage And Current: DC 5V 1A . Package List: 1 x HD Multimedia Interface Transmitter 1 x USB Power Cable