SecurityIng&reg; WF-502B Mini Infrared IR 3W LED Night Vision Flashlight Torch Hunting Light Powered by 1 x 18650 3.7V Rechargeable Li-ion Battery (Not Included) Adopts IR light function with night vision.Crenellated strike bezel for enhanced self-defense. Common uses: stargazing, hunting with a night vision scope, or military operations. Through anode processing, corrosion resistance.Waterproof, dustproof and shockproof. Can be used during the day for signaling, reading maps, and other tasks. Power Source: 1 x 18650 3.7V Rechargeable Li-ion Battery (Not Included).