Feature:1. 4K HD SIGNAL TRANSMISSION: 4 channel multiviewer splitter supports 4K high definition signal transmission with excellent color space and picture quality.2. SYNCHRONIZED SOUND VIDEO SWITCHING: Multiviewer splitter supports synchronized sound and video switching, providing a better sound visual experience.3. HEAT DISSIPATION: HD Multimedia Interface multi viewer switch is made of lightweight and durable tinplate casing with high strength heat dissipation.4. PLUG AND PLAY: HD Multimedia Interface multiviewer splitter is compatible with multi system driver free, plug and play, user friendly.5. 5 SCENE SPLIT MODES: 4 channel multi viewer switch supports five scene splitting modes to meet diversified needs and apply to various scenes.Specification:Item Type: HD Multimedia Interface Multi Viewer SwitchMaterial: Iron ShellResolution: 4K At 30Hz, 1080P At 60Hz, 720P At 60HInputs: 4 x HD Multimedia InterfaceOutput: 1 x HD Multimedia InterfaceHot Swappable: Supports Hot Swapping Of HD Multimedia Interface InterfaceOperating Temperature: -50C-80CSwitching Method: Key, Infrared Remote Control SwitchingBandwidth: 60HzApplication: 4 Way Screen Split Display On The Same ScreenRemote Control Battery Model: 1 x CR2025 Button Cell BatteryBattery Capacity: 240mAh (Included)Voltage: 100-240V.Package List:1 xHD Multimedia Interface Multi Viewer Switch1 x Remote Control1 x Instruction Manual1 x Power Plug