Features: 1. 4 modes of operation: smart sensor mode, strong light, low light, strobe. 2. High-power white LED light, strong light brightness up to 450LM. 3. Anti-glare design, using 1200mAh battery, strong light battery life up to 2.5 hours. 4. Built-in photosensitive chip, automatically adjust the brightness of the light, no need to switch gears frequently, and energy-saving. 5. 120 decibel horn, wire-controlled. Double-click to switch five kinds of sound effects. Notice: Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Description: Material: Aluminum alloy Lamp beads: LED Lumens: 450LM Battery capacity: 1200 mAh Power supply mode: USB direct charge Waterproof rating: IPX4 waterproof Light mode: 4 modes Size: As the picture shown Color/Style: As the picture shown Package List: 1 set of Bicycle Horn Light