LEWIND 40mm signal tower Incontinous light of 2 layer(YWJD-40/D/2/RG/24V)   Operating Temperature: -25 degree ~ 55 degree Operating Humidity: ≤98%

Altitude : ≤2000m

Vibration resistance: 50Hz, vibration about1.2mm continuous operating time: 40000hours for LED continuous light 25000hours for LED flast light Sound pressure level:80~90dB in 1 meter Class of pollution:3