Versatile LED dog collar lights are not only suitable for pets, but also can be used when people run, cycle or camp outdoors at night, and can also be used as key chains or decorations. Protect your pets If your dog installs this dog night light on the collar or harness, drivers, cyclists, runners and others can easily see your dog from a distance to ensure their safety at night. Additionally, you will be able to see your dog better in the dark. durable and corrosion resistant The luminous dog collar accessory is sturdy and durable, the clip hook design is very easy to install and remove, and it has a durable stainless steel carabiner, so that it can even withstand the rolling and running of your loved ones. 3 flash modes There is a small power button that flashes quickly when pressed once, flashes slowly when pressed twice, and stays on when pressed a third time. Dog tags are visible from 0.5 miles away. Replaceable CR2032 battery The dog collar light lasts up to 30 hours and can be easily replaced. When the internal battery runs out, you can purchase this small CR2032 battery elsewhere. The light emits a soft, long-lasting light suitable for evening walks, runs or any other nighttime activities.