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<br><br>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<br><br>Package Contents: 2 * Display Dongle<br><br>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.