High quality made of gold-plated connectors and top-notch material, the switch will give you stable performance. No distortion of audio and video. This switch allowsplug and play. Easy to use no extra power needed and no installation required. High resolution resolution up to 4k and it supports 480i, 480p, 576p, 720p, 1080i,1080p too. Hdmi switch will be a perfect companion for anyone who wants to get more hdmi ports on their tv. 3 hdmi in and 1 hdmi out design helps connect to more hdmi devices and it supports recognizing function and manual switch.With the resolution up to 1080p, you can make the output send the high definition audio video signals to a high definition display.