Ambient Temperature 
 -25?C to 55?C
 Vibration Resistance 
 <500Hz, Amplitude about 1.0mm
 Impact Resistance 
 = 10g
 Operating Frequency 
 50-60Hz
 Contact Action 
 NO/NC (NC Contact is Directly Disconnected)
 Mechanical Life
 Button: More than 1 Million time
 Head: 100000 time
 Electric Life
 AC more than 100000 time