HIGH-QUALITY MATERIAL: These bike taillights are made of waterproof material, which performs excellently no matter in heavy rain or other extreme weather conditions, making your bike safer. 4 Lighting Modes: The bicycle safety light has 4 lighting modes. Chase mode, strobe mode, fast chase mode and full brightness. When the taillight is on, each time you press the switch, you can switch light mode to ensure your driving safety at night. You can adjust the mode according to the environment or your needs. USB Charging: No more wasting unnecessary money to buy batteries, you can charge them directly through the USB cable. Mobile phones, computers, chargers or power banks can charge this rear light. Ultra Bright Keeps You Safe: 240 degree wide-angle visual design provides more visibility than any light on the market. Whether you're running, walking the dog, biking, skateboarding or hiking, these security lights will keep you safe. Versatile: You can mount the indicator light on your bike, helmet, skateboard, scooter, wheelchair or anywhere you can imagine. Attach it anywhere on a leash, treadmill, reflective vest, backpack back, dog collar, harness or clothing. And it's easy to install. The best choice for runners. Product description: - Very waterproof, sturdy and waterproof construction. These taillights are weather resistant and extremely durable. -This tail light can be charged by computer, charger or portable power bank via USB cable. It will save you a lot of battery bills. - This taillight keeps you visible not only at night but also during the day, keeping you and your loved ones safe at all times. - Ride a bike, helmet, skateboard, scooter, stroller, wheelchair, or anywhere else you can imagine. Specification: Material: Rubber Color: red, blue Size: 2.5x8.5cm/0.98x3.35inch Quantity: 2 pieces Package included: 1 x red bicycle tail light 1 x blue bicycle rear light Comment: 1. Due to different light and screen settings, the color of the product may be slightly different from the image. 2. Due to the manual measurement difference, please allow slight size differences.