RJTECH 4-Port HDMI Switcher ATC certified for HDMI V1.3b standard, compatible with all DVI/HDMI V1.1/V1.2/V1.3 signals Provides easy switching from any of 4 HDMI sources using either the remote control or the front-panel switch buttons Plug and play installation supports operation with or without AC/DC adaptor Auto-detects all HDMI input signals and auto-switches to the first available channel after power on Supports hot-swapping on HDMI inputs