Dog Collar Light - Dog Safety Light | 2 LED Light Bundle | Bicycle Safety Lights - LED Lights for Running - Clip on Safety LED Lights, Great for Baby Strollers & Kid's Backpacks (Batteries Included) LED DOG COLLAR LIGHTS - 2 Pack of LED Lights for Dog Collars, Bicycles, Running - keeps you visable to others BRIGHT LED WITH THREE LIGHT UP MODES - steady glow (covers large areas), slow blinking, and fast blinking (for highest visibility) SECURE STAINLESS STEEL SPRING CLIP - easily clips most anywhere LITHIUM ION BATTERY INCLUDED - easily replaceable CR2032 battery WATER RESISTANT - weather/ wind resistant