countdown signal light

Description

1.Working voltage:AC*****0V 2.power:3.***0W ***** temperature: **0~*0 4.Housing material:PC 5.Life:5 years 1.Adopt the ultra bright CHIP of LEDS of CREE&#**9;S product in U.S.A as the lamp-house which is leading the carborundum technology in the world, resistance to ESD ***0V Class ∏, inner core endurance is up to **0°c, low power and long life and low cost of maintenance. 2.Special design of circuit make perfect uniform light ray.Do not reduce the light intensity even if some LEDs were damaged. 3.Adopt the constant current source with wide voltage range, normal working within the limits of ******0V, have the functions of over voltage, anti surge voltage surge, low temperature. ***** LED save **9 times energy as compare with signal lamp of incandescent light sources. ***** the existing traffic control logic and light-boxes structure, easy for installation. ***** LEDs seal well, moistureproof and dustproof and tight structure, good appearance.