#1: HDMI to RJ45 extender transmission FAR DISTANCE, it can be up to 30 meters/100ft for 1080p using CAT-6 Cable. The transmission distance limited by using traditional HDMI cable, add this device can be up to 30 meters and promise the high image quality. NOTE If you use CAT 5e cable, doesn't support distance reach to 30 meters.#2: No need for extra power supply, support CAT-6e/6 cable can substitute HDMI cable to achieve long distance transmission. Follow the standard of IEEE-568B. Doesn't support connect any adapter/HDMI CABLE to our HDMI extender except one RJ45 CAT5E/CAT6/CAT6E Ethernet cable.#3: HDMI repeater is compact size (included TX Adapter and RX Adapter) Follow the standard of IEEE-568B. Pls note: the Transmitter and Receiver are connected is extremely important, it wouldn't work if it's connected incorrectly.#4: Support 3D 1080P HDMI1.4 resolution, 4k*2k . One pair as a full functional module, no need of setting. Support resolution: 480i/p, 576i/p, 720p, 1080i/p, 1920x1200, 4k*2k.#5: This kind of HDMI extender works for HDTV, Set-top Boxes, DVD, HDPC, PS4, STB, HOME&Hotel Projector Data Monitoring Center, Large Conference Center.#6: We want you to know: This is a product from the US and may differ from similar products sold locally. Please carefully review the labelling and other product information to determine if this product is appropriate for you. A power plug adapter may be required to fit UAE sockets.