VGA 4*1 KVM Switcher Plug & Play 1080K@60HZ Output 4 Port VGA SwitchInput: VGA portx4;USB 2.0 B Female portx4 Output: VGA portx1;USB 2.0 A Female portx3 Support DDC Control 4 computers using a single Device 1080P/60Hz Supports 25 meters long distance transmission with 26AWG 3+6/3+9 cable USB 2.0 Type B (5V 5%) for power supply 4pcs USB B to USB A male cable(5ft) are included Plug and Play--no drivers required Dimension: L150mm x W67mm x H25m