Maintains high resolution video - beautiful,HDTV resolutions up to 1080p, 2k, 1440p graphics and computer resolutions up to 1920 x 1200 are easily achieved Auto-switch and Manual-switch. When one device is active, the switch will automatically detect and display it.With a select switch, it can be switched to the device you want to connect to easily. Three blue LED lights numbered 1, 2, and 3 will turn on to show it is connecting. MORE CONVENIENT & EASY TO USE: The 3 HDMI in and 1 HDMI out Switcher from Comprehensive allows you to switch three HDMI source signals to a single display. It maintains the signal components and allows the user to select between the three of sources without plugging and unplugging cables. Wide Compatibility. Work forTV, PS3,PS4, TV Box, ROKU 4,TV Blu-Ray/DVD Player Amazon Stick and other devices with HDMI port. High Definition. HDTV resolution up to 1080P (1920x1200) and support 3D. Audio Formats: LPCM, DOLBY AC3, DTS7.1, Direct Stream Digital.