Don&&';;t Get Caught One-Handed. The robust, always accessible 2211X is the lightest weight, most affordable member of SureFire&&';;s category-redefining WristLight family. Developed with input from active-duty police officers, this compact, lightweight wrist-worn light boasts a shadow-killing MaxVision BeamA(R) at three useful levels: 300, 60, and 15 lumens. When strapped to your support-side wrist, the 2211X is always ready for action. It won&&';;t get lost, dropped or left behind when you need it most. Powered by a single disposable 123A battery that can provide up to 13 hours of useful illumination, it makes a great everyday-carry or backup light that&&';;s convenient and comfortable to wear 24/7. Always on you and immediately accessible - no matter what. Features Virtually indestructible LED regulated to maximize output and runtime Faceted reflector creates flawless MaxVision BeamA(R) that&';s broad and evenly dispersed, perfect for close-range applications Ergonomic, intuitive pushbutton switch delivers max output on first press; or can cycle through lower levels with a sustained press Construction: lightweight, durable polymer body; adjustable nylon wristband Securely straps to support-hand wrist for instant access and automatic alignment with handgun when using a standard two-handed grip Includes one disposable, high-energy 123A lithium battery with 10-year shelf life