Features1Multi Purpose: The bike tail light is versatile and can be hung on a mountain bike, backpack or takeaway box for night out use. 2Lightweight Material: Bike taillights are made of ABS and PC materials, which are lightweight, durable, and drop resistant. 3Easy to Install: Bike tail light uses high elastic straps, no tools required, easy to install and easy to use. 4Simple Design: Bike warning headlight adopts a simple design, which is stylish, beautiful and practical. 5IPX5 Waterproof: Bike headlight adopts IPX5 waterproof design, not afraid of the impact of bad weather such as rain on the lights.SpecificationItem Type: Bike Tail LightMaterial: ABS,PCLighting Mode: 6 KindsLuminous: 80LMWaterproof Grade: IPX5Battery:1 x Built in 420mah Lithium BatteryBattery Information: 3.7V,420mAh,1.554WhCharging Input: DC5V,300mAPackage List1 xBikeTailLight1 x USB Cable1 x User Manual