... Life spending:50000hoursRated Voltage:5V Start up Voltage:3VCurrent Amp:0.20-0.28 ASpeed : 5000-7500 rpmAir ... "Green Technology,Global Sharing!"Usage:IT ,house appliance ,machine equipment etc.1.Performance: low noise, light vibration, ... electronic equipment switch, medical equipment, heater, air conditioners, inverter welding machine, automated teller machines, car freezers induction ,cooker ,audio ...