8 3/8 Inch overall. Black anodized aluminum housing with non-slip rubberized comfort grip and anti-roll rubber ring. Unbreakable polycarbonate lens with scratch-resistant coating. Three lighting modes: High: up to 640 lumens, Runtime: up to 1h 15m, Beam Distance: up to 297m. Medium: up to 340 lumens, Runtime: up to 2h, Beam Distance: up to 210m. Low: up to 170 lumens, Runtime: up to 4h, Beam Distance: up to 148m. Strobe - Runtime: up to 2.5h. Strobe - Runtime: up to 3h. Multi-function, easy access push-button switch designed for extremely long life. C4 LED technology, shock-proof with a 50,000 hour lifetime. Deep-dish parabolic reflector produces a concentrated beam with optimum peripheral illumination. Regulated run time provides consistent performance throughout battery life. 3-cell, 3.6 Volt Ni-MH sub-C battery, rechargeable up to 1000 times. Snap-in charger holder that mounts in any position. Fully recharges battery in 10 hours. Serialized for positive identification. Weight 12.4 oz.