The ATEN VC1280 is a user-friendly device that simply connects HDMI and VGA sources to one HDMI display or projector. Apart from being compliant with HDCP 1.4, the VC1280 also supports HDMI 1.4 including 3D, Deep Color and 4K (3840 X 2160@30 Hz). In addition, the VC1280 features built-in VGA conversion, which allows you to transmit VGA signals to HDMI output without using extra adapters or scalers. The VC1280 offers 3 source switching modes - HDMI, VGA, and AUTO, it allows you to switch rapidly and intuitively via a pushbutton for real-time use. When the VC1280 operates on the AUTO input mode, it transmits the first detected input to the HDMI display, and automatically switches to a newly plugged-in source when it detects the signals.Without any software or driver installation required, the VC1280 is a handy and easy-to-use multi-input A/V switch. It is ideal for user that needs automatic and quick switching to adopt. With the VC1280, you can effortlessly accelerate instant collaboration and work efficiency with co-workers.