The Split the Dark 1200 Lumen Flashlight is constructed with aerospace grade aluminum and features a hard anodized finish. The flashlight is shockproof and waterproof. It can be easily controlled with its secure grip handle. SST-50 LED bulb technology gives off bright light in a tight uniform spot for outstanding visibility. Three different modes can be used in any situation which includes high low or strobe light. Two 18650-lithium batteries are included in the product. Plugging in the flashlight into a standard wall outlet can recharge the batteries. Four standard CR123A batteries are also used in the 9.84" long device. The flashlight has a 2.4" diameter and weighs 16.1 oz.