Switch 4K 120Hz: This out switch can connect 3 input signal sources to 1 output signal display terminals, enabling the switch between any signal sources through manual button Switch, IR remote control switch and automatic switch. Note: Do not support signal that have only audio. 4K@120Hz Ultra HDR Resolution: switch support highest resolution Up to 4K@120Hz, and backward compatible with 4K@60Hz, 4K@30Hz and 1080P. Supporting HDCP 2.3, 3D, HDR, color displày format RGB 8:8:8. Supporting compressed audios format: DTS, Do- (DTS-HD and DO-). Note: When work at 4K@120Hz or 4K@60Hz, the Cable should be 2.1 28AWG Cable. The length at both end should not over 3.3 ft or 1 meter. Color:Black Material:Metal Package Contents: 1 * -compatible Switch 1 * Remote Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.