Aten 2-Port PS/2 KVM Switch. Keyboard port type: PS/2, Mouse port type: PS/2, Video port type: VGA. Maximum resolution: 2048 x 1536 pixels. Weight: 480 g. Operating temperature range (T-T): 0 - 50 °C, Storage temperature range (T-T): -20 - 60 °C, Operating relative humidity range: 0 - 80 %. Connectivity technology: Wired, Dimensions (WxDxH): 74.4 x 74.4 x 23.2 mm, Compatible operating systems: Windows 2000/XP,Vista, LINUX, FreeBSD