With high-gain dual antennas, the transmission distance can reach up to 1312FT/400Meters. The transmission channel automatically matches between 2.4Gand 5G frequency. Minimal latency of less than equal 0.1s Ultra slow. Support local loop out for audio and video. The Loop out supports up to 4K resolution at arefresh rate of 30Hz. This WL097 Pro 4K WIRELESS TRANSMITTER AND RECEIVER caneasily project the screen of the for laptop,PC, for /5 game console,camcorder, set-top box, video player, etc. to the big screen of the projector, TV, monitor,etc. The receiver is equipped with two output ports, also supportingup to UHD 4K@30Hz resolution. Designed with 3.5mm separate audio transmission jack on the transmitter. Plug and play, no installation program required,no home wifi or network required,very easy. Enhanced with 4K transmission, one transmitterand can match up to four receivers. (The product printed words depending on the batch, but this does not affect use) Color:As Shown Material:ABS Package Contents: 1 * Transmitter 1 * Receiver 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.