LED USB Rechargeable Bike Tail Light Bicycle Safety Cycling Warning Rear Lamp Product selling point: 1.HIGH BRIGHTNESS and 180 DEGREE VISIBILITY - Imported high brightness LED chip up to 120 lumens, low power consumption, long service life, high visibility up to 200 meter visible. 2.VERSATILE LIGHTS FOR BIKES: bike lights have been designed to offer 5 different settings that can be used for optimal road safety. 3. The red light is commonly used as a bike taillight, the blue can be used as a bike headlight, the slow flash is ideal for foggy mornings and the fast flash is best used when headed out for nighttime bike rides USB RECHARGEABLE LIGHT: Always on the go? No worries. This ThorFire bike light is conveniently rechargeable. All you have to do is connect the included USB cable to any standard port on your smartphone or computer to charge up your new device. That's it 4.EASY TO INSTALL: Quick mount without any tool, quick release rubber strap, ideal for handle bar/seatpot mount (fits 22-31.8mm). 5.Multi-purpose light, can be used as a bicycle helmet light, mountain bike rear light, road bike lights, kid's bike safety light and so on. product properties: Notice:please long press for about 4s to turn it on. Tri-color warning light contain: 1x USB rechargeable rear bicycle light 2 x Rubber Strap 1x USB Charging Cable