Description: Versatile Sound Modes: This bike horn offers five distinct sound modes, including ship whistle, alarm, bicycle bell, reminder sound, and dog barking. With a powerful 110dB output, it ensures you're heard in any situationRechargeable Convenience: Equipped with a USB rechargeable battery, this bicycle light and horn combo eliminates the need for constant battery replacements. Simply recharge it using any USB port for easy to useWaterproof Design: This bike light is built to withstand various weather conditions and features an IPX5 waterproof rating. Ride confidently in rain or shine without worrying about water damageHigh Brightness Illumination: The front headlight provides high brightness illumination for night riding. Enhance your visibility on the road and ensure a security cycling experience during low light conditionsSturdy Mountain Bike Accessory: Designed specifically for mountain biking enthusiasts, this sturdy accessory is great for rugged terrains and adventurous rides while ensuring security with its double functionality as both a light and horn Specification: Material: ABS Plastic, Silicone, Aluminum AlloySize: 7cmx4cmx4cm/2.76inchx1.57inchx1.57inchLamp Bead Lumen: Up to 250 LumensBattery Capacity: 1200mah Rechargeable BatteryBattery Life: About 4 Hours in Strong LightSpeaker Volume: About 110 DecibelsWaterproof Level: IPX5Lighting Mode: Strong Light/Weak Light/Strobe/SOS Package Includes: 1 Horn with Light1 External Control1 USB Cable1 Anti Skid Pad1 Instruction Manual Note: Please allow slightly errors 1-2cm differences due to manual measurement.