●5 Lighting Modes - The front light and rear light both have 5 lighting modes (High bright, Medium bright, Slow flash, Strobe, Energy-saving fast flash). ●Battery Life: The headlight and taillight both are equipped with 250mah rechargable battery. Easy to charge, come with usb cable, you can charge it by power bank, laptop usb port, cell phone charger and so on. ●Waterproof Bicycle Light Set: The light is made of IP66 grade waterproof material, no need worry when riding in rainy day! ●Easy to Install & Use: You can install it on either the handlebars or the seat post. There is a built in clip on the light and use silicone strap wraps around a portion of the bicycle, they mount quickly and securely. No need to use other more tools. ●Application:This bike light set is versatile enough for cycling, night run, hiking, camping, or any outdoor activities. Its also can be used in emergency flashlight. This lights equipment can help you well!