4K/HDR HDMI Matrix Switcher 4 Input 4 Output. A multi cross switching support 4K up to UHD @ 60Hz (4:4:4) with EDID copy from output 1 and RS-232 control. Support seamless video and high-definition audio with fast response channel switch and memory setting. Supported by DC 12v/5A higher voltage reduces the loss of transmission. Manual push button, remote device and Ethernet controllable. Quality control products ensure only the best product is delivered to consumers. Made in Taiwan.