... 3.Environment friendly 4.3years warranty 5.50000hours lifetime 4W LED corn lightSpecification: Light SourceLedLed Qty36pcsPower4wInput VolatgeAC85-265vColor temperature2700-6500kLumen360lmCRI ... brightnessHigh-precision constant current drive, which can extend the LED lifespanGood material of lens to ensure the best light ... applied as indoor lighting,hotel,showroom,shops,churches 4w led corn light