Malker Bicycle Light Front and Rear Silicone LED Bike Light Set - Bike Headlight and Taillight,Waterproof & Safety Road,Mountain Bike Lights,Batteries Included,4 Pack Easy installation: Our premium bicycle lights can be installed in seconds without the need for any tools or other equipment Premium silicone alloy: We've carefully crafted classic glow bicycle lights using durable silicone alloy so they can stand up to weather, road use Versatile light modes: Each of our lights feature three specific modes of use-high, low and strobe-so you can be easily seen Designed for safety: These ultra bright led lights feature two lithium ion batteries and offer visibility up to a half mile