Streamlight NF-2 Tactical Handheld Flashlight High-intensity xenon gas-filled bi-pin bulb Up to 7,900 peak beam candlepower (114 lumens) Adjustable spot-to-flood focus Spare bulb contained within flashligt 1 hour of continuous run time Head: 1.25"; Body: .9" x Lenght4.8"; Ring 1.38" 4.5 oz. with batteries The NightFighter® tactical lights are the lightest flashlights in their class. The unique adjustable ring makes a perfect fit for any hand. Streamlight’s Tactical Series personal lights are the most sophisticated and reliable tactical lights available. They’re designed to give users a clear advantage when confrontations occur in areas of poor light or limited visibility. They are compact and lightweight, yet powerful and precise with the versatility you need to face any situation. Powered by extremely long-lasting lithium batteries, so they’re ready whenever you need them.