※ Please remember to specify the product color after purchase. 【If we do not receive your color selection, we will ship a random color. Thank you for your understanding.】 Glowing Collar for Dogs, Nighttime Walking Light, USB Rechargeable (1 pcs), Visibility Distance 500m, Length 49cm, Adjustable Size, Pet Safety, Walking, Cats, Small Dogs, Medium Dogs, Large Dogs, LED Light-Up Collar Three Lighting Modes: By simply pressing the button, you can set it to fast flashing, slow flashing, or steady flashing. Brightly illuminates your pet's dark and safe dog collar, making it visible up to 500m at night, preventing potential accidents, and protecting and saving your pet dog's life.