Specification :

standard keyboard
Mechanical Function:
Switch travel: 3.0+ / -0.5mm
Keystroke life: 10million times
Key switch elasticity: 55+ / -7g
Power Requirement:
Working voltage: 5.0+ / -0.25Vdc
Working current: Less than 30mA
Power: Less than 0.5 wt

Environment and Temperature:
Working temperature: 0-50degrees
Working humidity: None Condensation under 20% ~ 90% humidity

Specification:
Product dimension: L440mm* W140mm* H23mm
Key layout: 105/ 106/ 108 keys are available
Product net weight: 520g+ / -20g

Products Compatibility:
Support Windows 98 / 2000/ ME/ NT/ XP/ VISTA/ WIN 7 system
Support all languages versions, compatible IBM PC/ PS2/ AT/ USB/ U+ P

Packing:
Color box size: 455* 165* 28mm
Carton size: L475mm* W320mm* H350mm
Packing method: Color box, 20PCS/ CTN. Two layers