One of the brightest flashlights on the market, it produces 1,100 lumens of power providing you spotlight performance in the palm of your hand. Seven LEDs are powered by four D batteries (included) and it runs for up to two and a half hours on the high setting and 25 hours on the low 250-lumen setting. Advanced Focus System delivers a focused beam for long-range applications and a spill beam for close in. Dynamic Switch technology for simultaneous adjustment of brightness and power. IPX4 rated for splash resistance. Length: 15-1/2". Weight: 3.28 lbs.