This professional bike rear light, made of , is strong and durable for lasting use. It can be well fitted to your bike. Waterproof, shockproof, no need to worry about rain and other bad weather. And it can be an outdoor cyclists. Features -Color: Assorted Color -Material: Plastic -Size Light: Approx. 10.00X5.60X3.50cm / 3.93X2.20X1.38in -Size Remote Control: Approx. 5.6 x 3.7 cm / 2.20 x 1.46 inch -Made of material, it is sturdy and durable for a long time use. -USB charging is more convenient, especially when outside. -Night lights, night warning, steering reminder, high safety. -Great bike accessory to ensure your safety when riding at night. -Tail light of bike can protect your safety at night. Specification -Charging Supply: USB Charging -Battery Capacity: 500mAh -Bead Type: LED -Charging Time: 2 Hours -Discharge Time: About 4-5 Hours Package list: 1 x Lamp 1 x Chrging Cable 2 x Binding Belts 1 x Tail Light Base 1 x