SecurityIng Powerful 3 Modes 3600LM 6 LEDs Flashlight Waterproof Super Bright Torch (18650 Rechargeable Battery Not Included) Super Bright: Adopting 6 x Cree XM-L T6 led chip, the output brightness up to 3600Lm. Perfect item for home using or outdoor sports, such as such as biking, camping, hunting, fishing, emergencies and home repairing. 3 Modes Options & Sensitive Switch Button: High / Low / Strobe. One button operation, easy to operate, it just need press lightly and the light on. 3 Modes to meet different demands. Waterproof & Shockproof: Excellent waterproof performance, applicable to outdoor environment, extreme weather conditions. Be made of 6061T Aluminum Alloy, extremely durable polymer body Power Source: Powered by 4 x 18650 3.7V rechargeable battery(Not Included). Internal wiring applies constant current output, can utilize the batteries to a maximum extent. Low-profile Design: Concave and convex surface design. Easy to carry by hand, and will not slip off when it gets dirty or wet. Hard-Anodized finish, anti-abrasive, free-scratch, shock-proof.