USBC -Compatible Wireless Transmitter Receiver Extender Kit Transmit HD video and audio signals over long distances via WiFi, up to 30 meters Compatible with HD 1.3 standards to automatically identify and configure various display modes Built-in automatic equalization system, the picture is smooth, clear and stable Receive/transmit are HD interface, no software, no setting, no driver, connect to the screen projection Hign-concerned Chemical:None Application:For ,For Computer,For Monitor,For Projector,For TV box Type:-Compatible Cables (The product appearance and printed words depending on the batch, but this does not affect use) Color: As shown Material: ABS Package Contents: 2 * Display Dongle Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.