Voberry Dog Collar, Led USB Rechargeable Pet Safety Collar Waterproof Light up Adjustable Flashing Collar small Uses high quality modern LED lights that glow brightly  One of the most effective high visibility dog safety collars available. One size fits all:Collar measures 50cm  Can be cut to any length using scissors to fit your pet! Perfect fit! 3 Light Settings - Slow flash, quick flash & steady glow (Easy push button) Rechargeable via Micro USB - Can be charged via Phone Chargers, Laptops, PC's, Tablets, Smart TV's Mains USB Power Adapters(Micro USB cable included) Weatherproof - good for all conditions, Adjustable & Comfy for your dog.