The incredibly bright Pet Blinkers can be seen a half-mile away! These eye-catching, multi-color LEDs accessorize any pet and keeps your favorite companion safe and visible at night. The stainless steel clip of the Pet Blinkers attaches to collars, leashes, and harnesses of both cats and dogs. The Pet Blinkers' strobing effect even scares off coyotes and raccoons! Pet Blinkers are 100% waterproof. The LEDs will last over 10,000 hours! Pet Blinkers use 3 replaceable AG3 batteries (included) which will last approximately 24 1-hour walks. Pet Blinkers are available in your choice of 3 alternating color combos: orange/blue, pink/jade, or red/white/blue. Our Pet Blinkers are designed for small and medium breeds. Not recommended for larger breeds like greyhounds, dobermans, or shepards.