About this item EASY TO INSTALL: Our premium bike lights can be installed in seconds without any tools or other equipment. Add a light to your bike, backpack, helmet or other areas for maximum safety. PREMIUM SILICON ALLOY: We craft our classic glow bike lights from durable silicon alloy so they can withstand weather, road use, and even low impact drops. They're also waterproof Multiple Light Modes: Each of our lights has three specific usage modes - high light, low light and strobe - so you can easily see in early morning fog, dusk, night and dawn Designed for safety DESIGN: These super bright LED lights feature two lithium-ion batteries for up to half a mile of visibility. This helps other riders, drivers and pedestrians spot you in low light or total darkness. Color: red and black, white and black, black and black (optional) Package includes: 4*bike lightsNote: 1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding. 2. The color may vary due to different monitors, please understand. Note: Hello, please pay attention to your delivery address when purchasing products. If your receiving information (such as: name, street, house number, doorbell/email without name and other information is incorrect, the order will not be delivered correctly.)