Product advantages: High brightness: up to 1000LM 5500K high brightness output, much higher than other battery floodlights on the market. Long service life: Powered by 3 D-cell batteries, sensing 10 times a day, it can be used for at least 6 months. Easy to install: no wires are needed, and it doesnt need to be placed in a specific area with excellent lighting, just use the matching screws to fix it to the wall or other surfaces.