This is an HDMI switcher from Ratoc Systems. I used it to switch between PC, PS5, and Nintendo Switch. I'm selling it because I no longer need it after upgrading my monitor. The box is not included. All accessories are included. ・Remote control ・AC adapter ・Remote control receiver unit About this product: ・Switches between 3 HDMI devices and outputs to a TV ・Supports 4K resolution/60Hz (4:4:4) signals, and switches HDR video sources ・Supports high-frame-rate games of 1080p/120fps ・HDCP 2.2 compliant ・Selectable switching methods (remote control, main unit button) ・Supports Dolby Atmos and DTS:X ・Stable operation with external power supply ・Uses rust-resistant gold-plated connectors ・Compatible with the latest game consoles