Rechargeable: Can be recharged via USB. LED lights: Features a 360 degree lighting design for full coverage, making it easier for you to see your dog's whereabouts. Pet accessories: Get one or two luminous LED pet collars. Three modes: Switch between three different light settings - fast, slow or constant flash. Comfortable: Made from waterproof plastic and rubber with a 70cm circumference which can be cut to fit your dog's neck. Four colours: Choose from blue, pink, green or red. Rechargeable Led Pet Collar | Blue | Living Social