SPECS: 310 lumens white and red LED, 2.25 hour runtime and runs off (3) AAA (included) DIMENSIONS: 4.35 inch (11 cm) overall length, diameter of 1.25 inches EASE OF USE: Features easy to operate dual digital buttons that dictate red or white light for quick selection DURABLE: Constructed from anodized aerospace aluminum which allows for a drop from up to 1 meter and is ANSI FL1 Standard certified COMFORTABLE: Non slip grip ideal for all situations GUARANTEED: This product is covered by a Limited Lifetime Warranty. For questions or contact us on the Smith & Wesson website