Features ? Switch easily between any four HDMI sources either by front panel button, or IR remote ? Video formats up to Ultra-HD (UHD) 4Kx2K@60 (YUV444) and all HDMI 3D TV formats ? Compliant with HDMI 2.0a, HDMI 1.4b, and DVI 1.0 standards ? HDCP 2.2 and HDCP 1.4 compliant ? Supports PCM, Dolby TrueHD, DTS-HD Master Audio up to 7.1CH Digital and analog audio output ? Smart EDID management ? Built-in TMDS equalization and CDR (Clock Rate Recovery) for long HDMI cable transmission ? Supports 2.1CH/5.1CH/7.1CH audio ? Equipped with input port auto switching or manual switching mode ? Audio Return Channel (ARC) functionality controlled by front panel button or IR remote ? RS232 control ? IR and Panel button control ? Durable Metal Enclosure ? 2 Year Warranty Descri...Connectivity Technology: CableNumber of Input Devices Supported: 4Device Supported: DisplayDevice Supported: TVNumber of Displays Supported: 1Graphics Modes: 4KMaximum Video Resolution: 4096 x 2160HDMI In: YesHDMI Out: YesNumber of HDMI Inputs: 4Number of HDMI Outputs: 1Height: 0.5Width: 7.1"Depth: 3.3"Weight (Approximate): 10.58 ozPackage Contents: UHD 4K 4x1 HDMI Switcher 1x 5V/1A DC Power Adaptor (US, CE/FCC/UL certified) 1 x 5V USB to DC Power Supply Cable Operation Manual Environmentally Friendly: YesEnvironmental Certification: RoHSLimited Warranty: 2 YearPackage Contents UHD 4K 4x1 HDMI Switcher 1x 5V/1A DC Power Adaptor (US, CE/FCC/UL certified) 1 x 5V USB to DC Power Supply Cable Operation Manual "