Description Description:Brand: UltraFireModel: C8Feature: Waterproof with O-ring5-Moddle: High>Middle>Low>Strobe>SOSHigh Mode : 2500 LumensMid Mode : 800 LumensLow Mode : 450 LumensFast Strobe Mode: 2500 Lumens and 450 Lumens Fast alternate.SOS Mode: 2500 Lumens and 450 Lumens alternate.Emitter: CREE XM-L T6 LEDBrightness: 2500LumensReflector: Aluminum Smooth ReflectorMaterial: Aluminum CasingInput voltage 3.7VBattery: Powered by 1x18650(not included)Tail cap switch: on/offSize (mm): 156(L) x43 (Head diameter) x22(Body diameter)Net Weight (g): 145gPackage Included:100% Brand new1x UltraFire C8 CREE XM-L T6 5-Mode LED FlashlightNote:Battery not included!!!