The Nite Ize ClipLit LED is a bright, water-resistant white light encased in durable, plastic housing and molded to a rugged plastic carabiner clip. Easy to activate! A quick twist turns it on and off, and it’s just as easy to clip it on and off of almost anything with a loop. Attach it to your key ring, belt loop, zipper pull, backpack or purse and you’ll have efficient, bright illumination wherever you are. Increase visibility and safety while keeping your dog looking stylish!