Muti-functional LightLightweight and durable bike light versatile enough for cycling, hiking, camping or other outdoor activity, Suitable for kids and adults bikes handlebars, seat posts or elsewhere.Safety RideThe rear bike lights offer 3 lighting modesconstant light, fast flash and meteor allowing you to customize your visibility and increase riding safety whether day or night.IPX4 Water ResistDesigned to withstand splashes and heavy rain, this IPX4 waterproof taillight provides reliable functionality even in wet, rainy or cloudy weather.Durable and SturdyCrafted with great quality of ABS material , bike light offers durability and versatility. It withstands rough outdoor conditions, the strap silicone ensures a secure fit on most sizes of mountain bicycle seat post, road bike rack, kids' bikes, ebike, motorcycle, etc.Long lasting and easy installationThe bike light can be used for 6 hours while it's fully charged. To intall you just have to simply buckle up the silicone mount strap. No tools are required.