Ravemen Bicycle Headlight Bike Front Lamp Wireless Rechargeable 5000mAh K1800 AI

Side visibility, great for road cycling and commuting Extending battery runtime by connecting with external power source Wireless remote button (included) to change brightness level safely without releasing the grip Multiple brightness levels and daytime visible rapid flashing for night and daytime riding Micro USB charging port, compatible with most phone chargers Integrated self-contained design, compact and light weight Quick release design for easily slide in and out Compatible with handlebar of 0.87in to 1.38in diameter The rechargeable bike light allows you to turn on/off the light, switch between modes, and change brightness levels safely without releasing the grip IPX7 waterproof, the anodised, ribbed aluminium casing is solidly built for extreme weather and riding situations Intelligent memory circuit remembers the last used brightness level and mode when turned on again