Ultra Slim & Portable Design: This bike light set features a sleek and compact design, with a thickness of only 1.7cm and a weight of 27g. It won't take up too much space on your bicycle. The slim form factor enables you to tuck it into any chest or jeans pocket with ease, making it ideal for outdoor activities, camping, or traveling.Efficient Recharging: Fully charge both the bike headlight and tail light simultaneously in just 1-1.5 hours with the included USB cable. The 2-in-1 cable design maximizes convenience and reduces charging time, while the Type-C protection port provides reliable performance by protecting against rainwater infiltration.Innovative DIY Lighting Modes: No longer worry about obstacles during nighttime with this essential companion! The headlight features 4 lighting modes and the taillight offers 6 modes, including a memory function. With exceptional visibility, riders behind you will easily spot you, and the non-dazzling breathing flash mode enhances overall safety.Shockproof and Waterproof IP65: Our bicycle lights are crafted with premium PC materials to ensure durability and longevity. With a high-quality sturdy shell, you can confidently ride without the fear of dropping or falling. The IP65 water-resistant rating allows you to enjoy cycling even in rainy or foggy conditions.Easy to Install and Versatile: Comes with 2 pairs of elastic rubber straps that provide ease of attachment to the front and rear of your bicycle. Our bicycle light not only functions as a safety light during cycling but also serves as an emergency light in outdoor activities such as hiking, camping, or fishing. In addition, the rechargeable bike lights front and back can be used for electric scooters, strollers, backpacks, etc.