This bicycle headlight combines four practical functions in one unit: a decibel horn, waterproof design, and an emergency brightness flashlight. Key benefits Improves safety with a loud horn to alert pedestrians, cyclists, and vehicles in real time Provides bright illumination for clear visibility during night rides and in adverse weather Waterproof construction protects against rain, splashes, and conditions to maintain reliability Emergency brightness flashlight mode offers a focused beam for signaling or extra light when needed Core features brightness lighting suitable for night cycling and lowvisibility conditions decibel horn for audible alerts in traffic or crowded areas Waterproof design built to withstand wet conditions Emergency flashlight function for additional lighting or signaling Allinone device designed specifically for bicycles Designed for Cycling beginners, daily commuters, and outdoor cycling enthusiasts Use scenarios Night rides in city streets or through open country roads Cycling in rain, fog, or other poor weather conditions Commuting before sunrise or after dusk, and outdoor cycling activities where extra visibility is beneficial