Multiple modes: This dog light collar has 3 kinds of LED lights, suitable for your pet to wear at night, keep it safe in the dark, you dont have to worry about your pet leaving your sight, you can easily find it for a night outing High-quality materials: The luminous dog collar is made of reliable silicone, waterproof and durable, not easy to fade and break, and bring your pet a soft and comfortable feeling, and can serve your pet for a long time. Fastening: button Replaceable battery: This flashing pet light contains a button battery. Each light only needs 1 battery. When the battery is exhausted, replace the battery. Your pet can continue to use it. It will not leak electricity in rainy days and will not causedamage. Your pet Wide range of uses: This waterproof dog light is mainly used at night, affixed to the collar of a pet, and can also be used as a sign. For example, you can hang it on your bicycle, bag or tie it to your shoes to remind others to ensure your Safe and secure Appropriate size: The size of the dog safety light is approximately. 2.56 x 1.38 x 0.47 inches, suitable for use as a hanging lamp, light in weight, will not burden pets if worn for a long time feature: There are three light modes: fast flashing, slow flashing, and always on, which can be adjusted at will according to your different needs, allowing you to easily track pets at night. Nice gift: This long-lasting super bright dog collar lamp should be a must-have for people. Give it to your friends, family, neighbors, relatives and other people who have dogs or cats, which will express your love for them very well. Specification: Main material: silicone Color: green Size: about 2.56 x 1.38 x 0.47 inches The package includes: 1 x Pet collar LED light notes: Manual measurement, the size is slightly wrong. Due to different screen displays, there may be slight differences in colors.