Equipped with a large-capacity 1200mAh battery, it is energy-saving, environmentally friendly and has a long battery life.Equipped with a 120-decibel tweeter and high-brightness lamp beads, the product can illuminate the road and alert people driving around to ensure the safety of riding at night.Made of high quality ABS plastic and rubber, it is duarble and waterproof. You can even master it with one hand. It is small and portable, and the bright light can be used as a flashlight.