LED Lighting -Dog Collar, Pet Leash, Pet Dog Collar Dog Collar -Very Useful for Anyone Walking a Dog At Night (White) Xiao LED Lighting -Dog Collar, Pet Leash, Pet Dog Collar Dog Collar -Very Useful for Anyone Walking a Dog At Night . Multiple Settings - Steady On, Slow Flash, Quick Flash, Off. Easily Replaceable Battery - No tools needed to replace the CR2032 battery. 70-120 Hours of battery life; Easily Replaceable CR2032 Battery - No tools needed The lightweight of the mini led light makes it perfect for all-weather dog collar charm or dog collar light with its weather resistant clip. Your pup can be safe and seen playing in the dark.