... and reasonable radiator; insure LED lamp high efficiency, light wane long, longevity.Apply constant current, Waterproof Power Supply ... , Supply voltage 185-265VAC, 50/60HZ.Short starting time, no stroboflash, light, assemble simply.Environment friendly, safety, pollution-free, ... -saving,enviroment-protecting and long life -time3. Alternative switch power supplier to change the voltage ensuring LED work ...