EASY INSTALLATION: Our premium bicycle lights can be installed in seconds without the need for any tools or other equipment. Add a light to your bike, backpack, helmet or other areas for maximum safetyPREMIUM SILICONE ALLOY: We've carefully crafted Classic Glow Bicycle Lights using durable silicone alloy so they can stand up to weather, road use, and even low-impact drops. They're also waterproofVERSATILE LIGHT MODES: Each of our lights feature three specific modes of use-high, low and strobe-so you can be easily seen in early morning fog, dusk, nighttime, and dawnDESIGNED FOR SAFETY: These ultrabright LED lights feature two lithium ion batteries and offer visibility up to a half mile. This helps other riders, drivers, and walkers spot you when riding in low light or complete darkness.Produktbeschreibung Specifications: 1. Materials: Flexible water resistant silicone 2. Light Color:,red silicone red lightblack silicone white light 3.Weight:21g