... standard keyboard, waterproof design PS/2, USB, USB keyboard Material: 475 recycle107, 108, 109, 112keys standard keyboard, waterproof design PS/2, USB, U ... key switch Compatible with Windows 98/2000/NT/ME/XP/VistaOperation life: 30,000,000 times Power consumption: ... DC, 300mA (max) Connection port: PS/2 or USB available Cable: 3.2*1.3M1-year limited warrantyLanguage: ... /ctn N.W.(kgs) : 12.66 USB keyboard