LED Flying Direct 200w LED UFO High Bay Light Commercial Lighting High Voltage 347v 480v,Input voltage 180-528v,5000k ETL DLC (200 Watts 347/480v) Color Temperature:5000k,input voltage:180-528v Light Source/driver: Lumileds LEDs/High voltage driver 347v or 480v work well Certificate:ETL DLC cETL,1-10v dimmable Luminous Flux(LM): 26000 5 years warranty,Instant start, NO flickering, NO humming