Maintains high-resolution video - beautiful, crisp HDTV resolutions up to 1080p, 2k, 1440p graphics and computer resolutions up to 1920 x 1200 are easily achieved Automatic switch and manual switch.When a device is active, the switch automatically detects and displays it.With a selection switch, it can be switched to the device you want to connect to easily.Three blue LED lights numbered 1, 2 and 3 will light up to indicate that it is connecting. More Convenient and Easy to Use: Comprehensive's 3 HDMI Input and 1 HDMI Output Switcher allows you to switch three HDMI source signals to a single display.It maintains the signal components and allows the user to choose between the three sources without plugging and unplugging cables. Wide compatibility.Works for Apple TV, PS3, PS4, TV Box, ROKU 4, Apple TV Amazon Stick Blu-Ray/DVD Player and other devices with HDMI port. HD.HDTV resolution up to 1080P (1920x1200) and 3D support.Audio formats: LPCM, DOLBY AC3, DTS7.1, Direct Stream Digital.