Specifications:Deluxe Edition: Rechargeable, Light with speed meter/horn/battery statusUpgrade Edition: Rechargeable, Light with horn/battery statusOrdinary Edition: Rechargeable, Light with hornBattery Powered EditionColor: Black, Blue (Option)Charging method: USB charging, rechargeableMaterial: ABS Environmental friendly Plastic MaterialDecibel: 120 dBLumen : 350 LumenLamp beads: T6LED lamp beads4 light modes: high bright, low bright, flash, yellow light6 horn ring: Whistle, alarm, trumpet, didi, jiji, jiujiuLithium battery inside, 2-3 hours change, can use 3-5 hours.Waterproof: YesFeatures:1. Built-in battery, USB rechargeable2. Waterproof3. High Decibel Horn, 120db4. Strong and durable, good wear-resistance5. 4 Light mode6. Large battery, long durable7. Toolless installation8. Can be a phone chargerPackage Included:1 x Horn LED Bike Headlight