Enhanced Visibility and Safety: Equip your bicycle with the handlebar lights, featuring an intelligent brake sensor that automatically adjusts brightness when , ensuring high visibility and safety during night rides.Waterproof and : With an IPX6 waterproof rating, these bike lights are designed to withstand adverse weather conditions, making them perfect for outdoor cycling adventures.Versatile Lighting Modes: Choose from 5 different lighting modes to suit your environment and battery life needs, enhancing flexibility and usability in various lighting conditions.Name: R0 traffic light with the same frequencyWaterproof Level:IPX 6Host built-in battery: 3.7V250 mAh polymer batteryBattery life: about 6-40 hoursCharging input: 5V-2A USB Type-C chargingWorking environment temperature: -10C-60CWorking environment humidity: 80%Advantages: same frequency + linkage modebrake sensingautomatic sleepvibration self-start5 installation methodsColour:BlackMaterial:PC+ABSPackage Contents:2 x Handlebar Lights1 x Charging cable1 x WrenchOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +- 1-3cm.