1.Compatinility:IBM Windows98/2000/Me/XP
2.Commvnication:USB,PS2,USB+PS/2 Layout:85Keys
3.Dimension:495*138*12(L*W*H)
4. Electroni data:+5V DC±%@250mA
5.Total travel:2mm±4
6.Wight(kg):0.18

Product Size:495*138*12mm(L*W*H)
Total keys:84keys
Working temperature:-30～80℃