Features:Practical to use: These LED bike wheel lights are not just decorative lights for your bike, motorcycle and car. They can increase the visibility in the dark and foggy weather thus make your riding more safer. Available for American and English valves:These bike tire wheel lights fit for bikes, motorcycles and cars with American or English valve. You can install them on the mountain bikes, road bikes, kid’s bikes, ordinary bikes and cars, motorcycles and electric cars.Applicable for rainy days:These bike neon flashing lights are applicable for rainy days for they are waterproof. Please don’t soak them in the water for too long for a longer service time.Specifications:Material: plastic and aluminum alloySize: 4 inches/ 10.16 cm in length Mode: 7Lights: 5 Color: as shown in the pictures Package includes:8 x Bike tire valve stem lights24 x AG10 batteriesWarm notice:Please allow slight differences in size due to manual measurement.Please allow slight color differences due to different displays.Please change the batteries in time if the brightness becomes dim.Please keep children and pets away from the small parts to avoid danger of swallowing.