Trust xalas usb numeric keypad specifications general height of main product (in mm) 148 mm width of main product (in mm) 90 mm depth of main product (in mm) 21 mm total weight 127 g connectivity connection type wired cable length main cable 145 cm features special features browser - home key tab - key mail app - key calculator app - key backspace - key spacebar - key input power source usb compatibility compatible device types pc, laptop compatible software platforms windows control indicators num-lock https://www.trust.com/en/product/22221-xalas-usb-numeric-keypad olishop.roa