*BODY MATERIAL:ABS *SWITCH OPERATING FORCE:c60-80g *KEY OPERATING FORCE:70?5g *KEY SWITCH LIFE:>/=1,000,000 *CABLE LENGTH:1.5m?% *WORKING TEM:-15C~50C *WORKING HUMIDITY:LESS THAN 85% RH *WORKING VOLTAGE:+5?.25V *AMPERE:<15Ma *RESOLUTION:800dpi *SUITABLE FOR IBM PC *SUPPORT DOS5.0/WINDOWS95/98/ME/NT/XP *CONNECTOR:PS/2,USB,USB+PS/2