Highlights: Latest light-focusing technology Triple brightness than similar products Water proof Multy-functional:bick light, touch Long lasting:up to 100000 hours for 3 x AAA alkaline batteries Holding bar with dia:22mm to 28mm Specification: Function Mode: On/ Off Battery: 3 x AAA batteies Dimensions (cm): 10 x 9.6 x 1.2 Shipping Weight (kg): 0.1215 Package Contents:2 x Bike Light 1 x Holding