1.Super Min Compact design can be easy to use and easy to clip. 2.Energy saving, 1pc Ultra Hi-Power Red LED 3.Low energy consumption and durable, fuel-efficiency 4.I.C. Controlled 2 Working Modes Steady & Flashing with one Button Operation 5.Water resistant 6.Long time using up to 100 hours. 7.Easy to carry with mini size design. 8.Adjustable & Tool free bracket 9.2 different size of the rubber chains with waterproof and acid-resistant