1.LED bulb light 2.Luminous Flux&LED Source: 36*0.5W 3.Energy saving to 80% 4. ... Warranty:2 year Specificationssaveing 80% electricity 3-20w led bulb lumens 1200-1800lm Short delivery time: 7-15 days ... , school, office, showing room, meeting room, commercial building, tower, hotel, restaurant, production line, hospital,warehouse, train, etc. 12-18W 5730 LED Ceiling light