Type: USB Foot Switch Specifications: Dimensions Overall: 130 x 210 x 37 mm / 5.11 x 8.26 x 1.46 in Dimensions Switch: 120 x 67 x 34 mm / 4.72 x 2.64 x 1.34 in Weight: 570 g / 20.10 oz. Cable Length: approx. 180 cm / 70.87 in Key Stroke: approx. 5 mm / 0.1969 in Compatible OS: Windows XP/VISTA/7 Features: Improvements compared to first version: Noise reduction: Better noise behavior. The reasons for the noise in the first version were the mechanical switch, which was changed to an optical switch and a friction sound coming from the metal cover, which could be strongly reduced by attaching rubber. Altogether noise has been highly improved for the USB Foot Switch 2. Shorter key stroke: Instead of an 8mm key stroke the new Foot Switch 2 has an shorter, 5mm key stroke. Therefore less pressure (power) is needed to handle the switch. L...