Key press life: 2 millions
Key press force: 3 ~ 5 N
Key press travel: 0.45mm
Working voltage: 5V DC
Interface: RS232 or simulated RS232
Operation power consumption: working status, currency max not exceed 200mA, RMS power less than 1W
Operational life: operational lifespan>10 years, battery: >5 years(Without external power supply)
Dimensions: 87.5mmx91.5mm
N.W.: 0.7kg(w/o function side bar, function side bar N.W.: 0.07-0.12kg/pcs)
G.W.: 0.9kg(w/o function side bar, function side bar N.W.: 0.07-0.12kg/pcs)