Manufactured with a sturdy aluminum, water-resistant housing and an anti-slip grip design, the Bluestone 873 LED professional high brightness light tool also features easy twist ring control for high/low modes and 4x Spot or 1x Flood operation. This extreme high brightness LED light uses much lower energy consumption than equivalent bulbs. Three Luxeon Rebel 90 white LEDs provide 500 lumens maximum output with a runtime of up to 25 hours on low (8 hours on high) on four D-size alkaline batteries. The 873 is 2 1/8 inches wide by 12 1/4 inches long and weighs 3 pounds with batteries.