Feature:1. Visable at daytime: Did you know that 75 percent of cycling accidents happen in daytime.This taillight keeps you visable not only at night but also in the daytime.Keeping you and your loved ones safe all the time.2. Keep you safe: Wide angle visual design provides more visibility than any lights on the market.Whether you're running,walking with your dog,cycling,skateboarding or hiking,these safety lights will keep you safe and secure.3. Waterproof: Highly airtight construction,stronger waterproof.These tail lights are water resistant for any weather,extremely durable.4. USB rechargeable: This taillight can be charged by USB cable via computers,chargers or portable power bank.This will save you lots of money on batteries.5. Multi-purpose: Hook onto your belt,running gear,reflective vest,backpack,dog collars,harnesses,or anywhere on your clothing.Mount to your bicycle,helmet,skateboard,scooter,stroller, wheelchair,or anywhere you can imagine.Specification:Material: ABS+PCColor: red Size: 7*2cm4 lighting modesLed beads: 2835 patchWaterproof rating: IPX5Battery capacity: 220 mAh (polymer lithium battery)Endurance: 5HLuminous flux: 30Package List:2 * Tail lights2 * USB charging cables2 * Silicone mounting straps