Weiita Sparker F1665 Tactical Flashlight 600 Lumens Cree XML T6 LED Zoomable, Shock Resistant, Weatherproof CREE LED XML T6 light bulb; 600 Lumens output power Easy zoom with one hand. Weather proof and shock proof. Powered by 1 x Li-ion 18650 rechargeable battery (included) Strong aluminum alloy shell; weatherproof, shockproof, and durable ONE YEAR USA WARRANTY