The rechargeable SpotLit Collar Light by Nite Ize ensures you can always spot your dog from the park to the campsite (and ensure other drivers can too). Simply clip the light onto virtually any collar and give it a push for instant illumination. Available in multiple colors, you can choose from steady glow or flash mode for added visibility. Recharging quickly in 2 hours using micro-USB cable (not included), SpotLit runs up to 3.5 hours at a time. Perfect for big backyards, busy streets, and endless adventures, SpotLit keeps your precious pup safely seen from dawn to dark.