Item Type: HD Multimedia Interface Switcher Material: Iron Shell HD Multimedia Interface Version: HD Multimedia Interface 2.0 Resolution: Maximum Support 4K at 60HZ Switching Mode: Button, Remote Control Input Interface: HD Multimedia Interface x 3 Output Interface: HD Multimedia Interface x 1 Support Sound Format: 7.1, 5.1, 2.0 Channels Remote Control Battery Model: 1 x CR2025 Button Battery Battery Capacity: 240mAh (Included) Voltage: 110-240V Package List 1 x HD Multimedia Interface Switcher 1 x Remote Control 1 x Instruction Manual 1 x Power Plug 1 x Charging Cable 1[Convenient Switching] 3 input interface, can easily switch between game consoles, TV boxes and computers and other multiple screens, to solve the interface unplugging troubles. 2[4K Ultra HD] HD Multimedia Interface switch supports the highest 4K at 60Hz resolution, which restores more delicate and real picture quality, and 3D video brings better vision. 3[High Performance] Equipped with high performance chip and HDR technology, enhance the picture brightness and dark details and color levels, the image is more three dimensional and vivid. 4[40m Long Distance] HD Multimedia Interface switcher applies to various scenes, transmission distance up to 40m/131ft, no need to worry about signal interference. 5[7.1 Surround Sound] Professional theater level sound visual experience, sound and video synchronization, support for 2.0, 5.1, 7.1 surround sound, and make the living room be a home theater.