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. Item Type: HD Multimedia Interface Multi Viewer Switch Material: Iron Shell Resolution: 4K At 30Hz, 1080P At 60Hz, 720P At 60H Inputs: 4 x HD Multimedia Interface Output: 1 x HD Multimedia Interface Hot Swappable: Supports Hot Swapping Of HD Multimedia Interface Interface Operating Temperature: -50°C-80°C Switching Method: Key, Infrared Remote Control Switching Bandwidth: 60Hz Application: 4 Way Screen Split Display On The Same Screen Remote Control Battery Model: 1 x CR2025 Button Cell Battery Battery Capacity: 240mAh (Included) 1 x HD Multimedia Interface Multi Viewer Switch 1 x Remote Control 1 x Instruction Manual 1 x Power Plug