4-Port Manual PS/2 KVM Switch Box

2 available @ $10 each. This Manual KVM Switch control 4 PCs using a single monitor, PS/2 keyboard and PS/2 Mouse, greatly preserve office space and eliminate extra peripherals! 4 PCs to 1 User. No Software Required. Push Button for Selection. Support SVGA, VGA and Multisync Monitors. Suport PS/2 Mouse, PS/2 Keyboard. Maximum Resolution : 1024 x 768. Video Bandwidth : 200MHz. Horizontal Frequency : 30 - 100KHz. Vertical Frequency : 43 - 120KHz. Dimensions : 183 x 11 x 40 mm. Case : Desk-top (Metal).