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 seat post, backpack, helmet or other areas for maximum safety.
TWO LIGHT MODES: Strobe and Steady modes ,so you can be easily seen in early morning fog, dusk, nighttime, and dawn.
DESIGNED FOR SAFETY: These ultrabright LED lights feature two lithium ion batteries. This helps other riders, drivers, and walkers spot you when riding in low light or complete darkness.
SLIGHT WATERPROOF & EXQUISITE APPEARANCE.
Its external waterproof silicone material, inside is red LED by two replaceable button batteries.