LED Dog Collar, YOKKAO USB Rechargeable Light-up Flashing Glow in the Dark Electric Pets Belt Waterproof Adjustable (Blue) SAFETY DOG COLLAR - With three flashing modes, this dog collar can help you keep your dogs safe even in the low light conditions. RECHARGEABLE PET COLLAR - No need batteries, it can be recharged by the USB cable with any other daily use device, such as computer USB port and smartphone Chargers and so on. WATERPRRO DOG COLLAR - With waterproof function,it can be used in raining days. please cover the waterproof case first and don't put it into water for a long time. ADJUSTABLE DOG COLLAR - This flashing dog collar is adjustable which can be cut to any length to fit your pet.The length of the collar is 70cm. WHAT WE CARE - We don't care about any profits or any earns. What we DO care about is that customers have happy purchasing experience and TRUST Yokkao brand after the first using. It is a great decision if you choosing Yokkao.