Package Included: 1x 4 In 1 Horn LED Bike Headlight Specifications: Built-in Battery Capacity: 4000mAh Charging method: USB charging, rechargeable Material: ABS Environmental friendly Plastic Material Decibel: 130 dB Lamp beads: T6LED lamp beads Light mode: High light, low light, flash mode Waterproof: Yes Features: 1. Built-in battery, USB rechargeable 2. Waterproof 3. High Decibel Horn, 130db 4. Can as phone bracket 5. Strong and durable, good wear-resistance 6. 3 Light mode 7. Large battery, long durable 8. Toolless installation 9. Can be a phone charger