Jiaanu Bike Speedometer with LED Light - USB Rechargeable Bicycle Computer, Waterproof Bike Odometer & Loud Bell - Multi-Function Cycling Accessories for Mountain & Road Bikes - Perfect for Night Riding, Commuting & Outdoor Adventures

Item Type: Bike Horn LightMaterial: ABSProduct Size: Approx. 8.4x4.4x3cm/3.3x1.4x1.2inWeight: Approx. 175g/6.2ozBuilt-in Battery: Polymer Lithium BatteryBattery Capacity: 1200mAhRechargeable: YesWaterproof: YesCharging Mode: Two-way USB Interface ChargingEndurance: Strong Light 4h/ Weak Light 6h/ Burst Flash 4hStopwatch Mode: Full Record/single Record/maximum Speed/average Speed/cycling TimeLight Mode: Strong Light/weak Light/flash BurstLamp Bead Type: Led Light ChipsHorn Mode: 5 ModesDecibel Speaker: 120 dbScreen Type: High Definition LCDPurpose: Outdoor CyclingFunction: Lighting/warning/recordingIf you have any questions, please contact us in time, we will answer your inquiry within 24 hours.

3 kinds of lighting modes, highlighting light chips, shining light, anti‑glare design, comprehensive enhancement of illumination, long range, long life.

5 kinds of speaker sound can be switched, 120 db loudspeaker, can play a very good warning role.

High definition LCD display, digital display, can be connected to the wired stopwatch, to observe the speed range.

Closed fuselage, waterproof design, regardless of the weather feel free to ride even in a rainy day.

Use the USB straight charging, can charge at any time by charger, power bank, computer USB and so on.