HDMI switcher 
 Model: YL0401S 
 Function: 
 ? HDMI 1.3 protocol compliant. 
 ? Support deep color 36bit and signal retiming. 
 ? Support digital audio format in HDMI: LPCM/Dolby-AC3/DTS7.1/DSD. 
 ? HDCP1.2 protocol compliant. 
 ? Manual or Remote: Select one of 4 different HDMI signal input source, output to the sink. 
 ? Smart use: 
 It can smartly choose the signal source with priority order. 
 It can smartly jump over those input sources which are not in work. 
 ? LED indication: 
 When someone input source device works or someone output sink devices works, the LED relative to the device will be Red. 
 When someone of the input resource is selected output to the sink devices, the LED relative to this input source is Blue 
 ? Need not DC power. But if someone non-standard device is connected, it needs DC5V input.