For instance, a 10-watt LED floodlight will emit 700 lumens, which is slightly on the lower side than a 100W halogen bulb. A 30W LED floodlight will emit 2400 lumens which is on par with a 350W halogen light. At 4000 lumens, a 50W LED floodlight can provide the same amount of brightness that a 500W halogen does.read more >>