Dog Collar Light, 6PCS Colorful Clip-On pet Lights for Collars for Night Walking

3 Light Modes + 6 Extra Batteries : This luminous dog light has 3 settings: hold the light for 30 hours, fast flash for 60 hours, slow flash for 100 hours. When running or cycling at night, it can be hung from the body or the bicycle to remind other pedestrians or vehicles.