Feature: 1. HIGH COMPATIBILITY: Compatible with multiple systems for OS X, for Linux, for UNIX, for DOS; Compatible with most of the HD Multimedia Interface port input output devices on the market. 2. 150 METERS LONG RANGE TRANSMISSION: Wireless HD Multimedia Interface transmitter receiver uses 4K video transmission, no obstacle stable transmission up to 492 feet (150 meters). 3. EASY TO OPERATE: Connect a display to the HD Multimedia Interface output port of the transmitter to view the signal being sent to the receiver, with low latency and good sound quality. 4. TRANSMITTERS AND RECEIVERS: HD Multimedia Interface transmitter receiver can be switched freely with one key, supporting multiple transmitters within the same range; one key switching without interfering with each other, sharing multiple screens. 5. APPLICABLE SCENARIOS: HD Multimedia Interface extender kit is easy to install, plug and play, no need to install driver software. Suitable for home theater, video conference, security monitoring, outdoor screen, broadcasting and TV. Specification: Item Type: Wireless HD Multimedia Interface Transmitter Receiver Material: Aluminum Alloy Color: Black Applicable Voltage: 100-240V. Package List: 1 x HD Multimedia Interface Transmitter1 x HD Multimedia Interface Receiver2 x Plug2 x Cord 1 x Instruction Manual