LED Dog Collar Waterproof LED dog collar with 3 modes of LED light. LED Colors: red, yellow, orange, bluw, green or pink. 3 Flashing Modes: quickly flashing, slow flashing, still lit (controlled by button on collar) Operated by 2 CR2032 Lithium ion batteries Battery life: 80 hours of flashing, 60 hours of still and can be replaced.