Features1Large flood angle, illuminate long range and wide area. 2Daily waterproof, not afraid of wind and rain while outdoor cycling. 3Strong light/weak light/flash, 3 light modes, click the light switch to switch. 4It has 6 kinds of speaker sound effects. Long press the speaker switch for 3 seconds to switch. 5USB rechargeable, it can be charged at any time, convenient and applicable.SpecificationItem Type: Bike Horn LightMaterial: ABSColor: As Pictures Shown Product Size: Approx. 106x26x48mm/4.2x1x1.9inWeight: Approx. 250g/8.8ozBuilt-in battery: Lithium polymer batteryBattery capacity: 4000mAhWick: T6 WickWaterproof: daily waterproofGear: 3 gearCharging method: USB chargingPurpose: CyclingFunction: lighting/warningAdditional features: Emergency power bank /120 dB speakerHow to use:1. Click once strong light2. Press twice low light3. Press 3 times to flash4. Press 4 times to closePackage List1 xHorn Light1 x Base1 x USB Charging Cable