1.Operating Temperature: -25℃ ~+55℃
2.Storage temperature: -30℃ ~+80℃
3.Relative air humidity: ≤98%
4.Altitude: ≤2000m
5.Vibration strength: 50Hz, amplitude about 1.2mm
6.Continuous working time:
4000 ساعة (نوع الإضاءة المستمرة LED)
25000hrs(LED flash light type)
7.Sound pressure level: 80~ 90dB (1m), waterproof type：70~ 80dB (1m)
8.Front fanel protection degree:
IP65/IP67(no buzzer)；IP20/IP65(with buzzer)
