Nite Ize® Flashing Dog Collar Lights - Multi-Colored.

The strong, stainless-steel spring clip on these flashing dog collar lights attaches easily to zipper pulls, dog collars, key chains and more. Squeeze once to engage constant glow, twice for flash mode. The water-resistant design of our flashing dog collar lights makes them an excellent choice for use in wet conditions. Includes two long-lasting, replaceable batteries. 2" x 1 1/4".