Wireless OREI HDMI Extender: Extend Full HD 1080p Signal up to 100 Feet Wirelessly. Will not Transmit through Walls, Direct Signal Only. Using Channel 128 & 132 on a 5 Ghz Wireless Band. Low Latency; signal transmission with up to 0.2 seconds of latency max. Screen Mirroring: Cast Content directly from your Laptop/Smart Phones to the Receiver without using the Transmitter. The device comes with a dual voltage supply using a US plug, and an adapter/converter is provided for international use. Functions: Multiple Transmitters can be connected to the same Receiver. Perfect device for BYOD meetings. Compatibility: The Receiver features both HDMI and VGA ports to accommodate older and newer displays alike. Plug and play setup, No Installation Required. The OREI Advantage: Includes 1x Transmitter, 1x Receiver, 2x USB Cable, 1x USB-C Adapter, 1x Power Adapter and User Manual. 1 Year Warranty and Lifetime Tech Support.