Function and Features many kinds of light source: halogen lamp, LED, pulsed xenon lamp there are 1-15 Halogenlamps in the light, they work alternatively, when one is damage, the second,the third and the last will work in sequencely. If all lamps are damaged, the light will alarm to remind people to change new halogen lamps 2 Pulsed xenon lamps work alternatly in the light, when there is none operation, you have to change new ones hundreds of LED work at the same time to increase light intensity, if the intensity is less than half, remember to change new LED standardized design, with the advantages of shockproof and high corrosion resistance; Application radioand TV towers,cooling towers, iron towers,cooling towers,chimney,airports,transmission towers,all buildings,remote weather stations,wind energy stations\,Chemical Tower Top Main Technical Parameter luminous intensity: up to 1600cd luminous time frequence:60 flash/min usefu lifespan: 2×108 rated power: 50W TO 100w grade of sealing: IP65 weight: 4.5kg