The Big Larry has C.O.B LED technology with 3 light modes, 400 lumen work light,160 lumen work light, and a red emergency flashing light. It also has an anodized aluminum body.The anodized aircraft-grade aluminum is water and impact resistant. It also has a powerful magnetic base. 3AA batteries included. The BIG LARRY also comes with a (black) work light holster. On/Off button is located on top of the Big Larry work light.