1、High Resolution: Support multiple video resolutions, including 4K x 2K, 1080P, Ultra HD, 3D, etc. Support 8/10/12 bit deep color. Support HD Multimedia Interface 4b and HDCP4, support 4Gbps x3 data rate and tmds clock up to 340MHz. 2、Split EDID Extractor: The video switcher splitter supports LPCM, for Dolby, DTS 1 channel and intelligent EDID management. Any input HD source can extract sound separately or simultaneously through SPDIF or 5mm headphone output port. 3、IR Remote Control: The built in IR sensor comes with a convenient and intuitive remote control, which can be switched input or switched by a button. Note: 2 AAA batteries are required (not included), please make sure your format is correct. 4、Lossless Transmission: Automatic equalization and amplification functions to ensure the best transmission. Built in ESD protection, and passed thousands of hours of testing in different applications, including security systems, advertising screens, radio stations and public theaters, etc. 5、4 In 2 Out: Up to 4 HD signal sources can be connected to 2 HD Multimedia Interface display terminals with optical or stereo headset output, allowing 4 HD Multimedia Interface devices to be easily switched or split into 2 HD Multimedia Interface compatible displays or projectors. 1 x 4x2 Distributor1 x Power Adapter1 x Remote Control1 x Manual  Item Type: 4x2 HD Multimedia Interface SplitterMaterial: MetalColour: BlackFunction: Signal TransmissionScope of Application: Suitable for most devices with standard HD Multimedia Interface interfacesHD Multimedia Interface Resolution: Up To 3840x2160Support Video Format: 8/10/12 bit color depthSupport Sound Format LPCM, DTS, for Dolby-AC3, etc.Maximum Transmission Rate: 3 x 6GbpsInput Cable Length: 4K 30Hz≤15m/49ft, 4K 60Hz≤5m/16ft, AWG26 HD Multimedia Interface standard cableOutput Cable Length: 4K 30Hz≤15m/49ft, 4K 60Hz≤5m/16ft, AWG26 HD Multimedia Interface standard cableMaximum Working Current: 600mAWorking Temperature Range: -15-45℃ / 5-113℉Operating Humidity Range: 5 to 90%RH (non-condensing)Remote Control Battery: 2 x AAA dry batteries (not included)