... luminous flux:2000lm warranty:2years CE&FCC&Rosh LED street bulb 28Whigh power LED street light, LED street lamp· Specifications:· Input voltage: 100 to 240V ... AC· Working voltage: 24V DC· Frequency: 50 to 60Hz· LED quantity ... crossroads, villas, campuses, hotel gardens, docks and yacht clubs LED street bulb 28W