The item is a combination of flashlight and bike clamp, called ultra-bright flashlight bike light. And it is with double usages, both as bike light and flashlight. Item Specification: Brand : WindFire LED Type: CREE XM-L T6 U2 LED. Light color: White. Luminous Flux: Max to 1600LM. Material: - Structure: Aluminum Alloy. - Lens: Coated Glass Lens. - Reflector: Aluminum Smooth/SMO Reflector. Waterproof Design:Yes. Switch Location: At the bottom of the flashlight. Mode Arrangement: 5 Modes(High, Mid, Low, Flash, SOS). LED Lifespan: 100,000 hours. Operate Voltage: 3.7V ~ 18V. LED Lifespan: 100,000 hours. Power Source: 1 x 18650 3.7V Battery (Included). Color: Black. Size: - Length of the Flashlight: 133mm. - Head diameter: 30mm. - Body diameter: 24mm. Net weight: 97g. Multi-purposed Applications: Easy to Install - Absolutely no other tools required to fix on bike bar as Bike Headlight. Easy to Use - Fix torch flashlight into mount bike clamp and adjust it to reasonable angle as you like. Easy to Remove - Double used as a multi-purpose torch flashlight by removing from bike bar. (Hiking, inspecting, emergency, camping etc). Package Content: 1 x WF-C8 5 Modes CREE XM-L T6 U2 LED Flashlight Torch. 1 x Adjustable mount bike clamp. 1 x Dual 18650 battery charger 1 x WindFire 18650 rechargeable batteries. After Sale Service: 30 Days Money Back Guarantee, 12 Months Warranty!