Bluestone Lighting's 873 LED Professional High Brightness Light Tool comes with a sturdy aluminum, water-resistant housing and an anti-slip grip design. It features easy twist ring control for High/Low modes and 4x Spot or 1x Flood operation. The extreme high brightness LED light, which uses much lower energy consumption than equivalent bulbs, provides 500 lumens maximum output with a runtime of up to 25 hours on Low and 8 hours on High. Power comes from four D size alkaline batteries. The 873 is 2 1/8" x 12 1/4 and weighs 3 pounds with batteries.