30 second installation features universals compatibility across multiple handlebars models, consist of aviation grade aluminum for durability Ideal for commuters and night cyclists pursues reliability upgrades in busy traffics or low light environment Oversized button ensures accuracy control even with winter gloves, eliminating accidental activation during cycling Enhancing nighttimes safe with LED turn signals for electric scooters, solve unclear signaling issue during cycling Weatherproofed construction withstands rain,, and rough terrain, perfect for years round outdoor and wet weather commuting