MKC-109-BN Professional Industrial Membrane Keyboard with Trackball

Number of keys 109 Key Switch Metal dome switch technology Switching cycles more than 5 million actuation Trackball Optical trackball at 36.0mm Material FRONT PANEL: Membrane, BACK PANEL: Stainless steel Power Supply 5v DC /-5% Current 20mA Interface PS2 or USB EMC Standard EN 55032:2015 , EN 55035:2017 Temperature Range Operating: -20°C to 55°C, Storage: -30°C to 60°C Compatibility All Windows, Linux, Mac Warranty 1 year Certification CE/FCC/ RoHS/IP67 Dimensions 414.0 x 138.0 mm (Front panel) Weight 1.4kg