Scythe USB-3FS-2 USB Foot Switch 2 Triple Type: USB Foot Switch Specifications: Dimensions Overall: 130 x 360 x 37 mm / 5.11 x14.17x 1.46 in Dimensions Switch: 120 x 67 x 34 mm / 4.72 x 2.64 x 1.34 in Weight: 900 g / 31.75 oz. Cable Length: approx. 180 cm / 70.87 in Key Stroke: approx. 5 mm / 0.1969 in Compatible OS: Windows XP/VISTA/7