Important parameter:

Operating Temperature: -25℃ ~+55℃
Relative air humidity: ≤98%
Height above sea level: ≤2000m
Vibration strength: 50Hz, amplitude about 1.2mm
Continuous working time:
4000hrs(LED continual light type)
25000hrs(LED flash light type)
Sound pressure level: 80~ 90dB (1m)
Pollution class: class 3