AUTOMATIC KVM SWITCH UP TO 4 PCS CAN BE USED WITH ONLY ONE KEYBOARD (USB), ONE MOUSE (USB) AND ONE MONITOR (DVI-I) PC SIDE CONNECTORS: 4X DVI F, 4X USB TYPE B, 4X 3.5 MM STEREO JACK CONSOLE SIDE CONNECTORS: 1X DVI F, 3X USB TYPE A, 2X 3.5 MM STEREO JACK THE SWITCHING CAN BE DONE ON SEVERAL WAYS: - AUTOMATICALLY IN A SCAN RUN - MANUALLY BY BUTTONS ON FRONT SIDE OF SWITCHBOX - HOT KEY (KEYBOARD COMBINATION) FULLY COMPLIANT WITH USB 1.1 LEDS FOR EASY STATUS MONITORING CONTENTS: KVM SWITCH, POWER SUPPLY, 4X KVM CABLES, MANUAL