SecurityIng&reg; 270 Lumens Mini Waterproof Bright 5W LED Bicycle Light Practical LED Bike Light with Handhold Flashlight and Bike Mounter/Holder Supports AAA Batteries,High Quality LED Flashlight and Bike LED Lamp for Hiking,Riding, Camping Can be used as a handheld torch or bicycle flashlight with the bicycle holder. Material is high quality aluminum alloy casing. LED lifespan is up to 100,000 hours. 5 watts power and 270 lumens light. Custom rubber matting shock and slip resistance. Waterproof function and save eneggy. Anti-aging elements were added for extended service. Suitable for 26 ~ 28mm diameter flashlight and 16 ~ 33mm diameter handle bar.