• Interface USB • Switch life 5 million times • Travel distance 2.2+/-0.5mm • Travel to peak 0.3+/-0.05mm • Peak force 26~58gr • Operating temperature -5oC to 40oC • Operating humidity 35% to 85 % non condensing at 40oC • Weight 711g • Dimension 450(L)* 167(W)*18(H) mm • Certification CE, FCC, BSMI • Support OS Windows 98/2000/ME/XP 32bit Vista/Win7 32/64bit