Great Visibility & Safety LED Dog Collar --- Light up dog collar comes with super bright led lights, provides visibility of 500m. Keeping your dogs safe in the darkness, and you will find your pet more easily, highly visible to car drivers, walkers, joggers, cyclists, motorists etc.Rechargeable & Waterproof --- The flashing dog collar is recharged by the USB cable with any other daily use device. No worry about battery replacement and no additional costs, easy to use, environmental. Besides, our light up dog collar is waterproof, can be used in rainy days.Durable Material & Adjustable --- Made of durable nylon material, it can make your pet more comfortable. Each LED dog collar can be adjusted by buckle. It also has a heavy-duty D-ring that can be attached with any dog leash.LED Dog Collar with 3 Lighting Modes --- Press the button to set and change the LED Dog Collar Lighting mode: Fast flash, slow flash, fix and off mode. It is perfectly suitable for your different needs. It works for over 8 hours of lighting per full charge.