Need to cover a large area of light using the least amount of lamps as possible A floodlight could be the perfect solution as floodlights offer a higher lumen per watt output than any other conventional lighting system. This 200 Watt High Power LED Floodlight will be your solution if that's what you're looking for. With a staggering 23000 lumens the area you need will be covered in that cool white light you're after.