Dog Collar, YAMAY&reg; LED Light Up Pet Dog Collars for Small Medium Large Dogs Girl Boy Water Resistant USB Rechargeable Silicone Shock Glow in Dark Safety Lights Walking Outdoor Weatherproof - good for all conditions, Adjustable & Comfy for your dog. 3 Light Settings - Slow flash, quick flash & steady glow (Easy push button) Rechargeable via Micro USB - Can be charged via Phone Chargers, Laptops, PC One size fits all:Collar measures 70cm - Can be cut to any length using scissors to fit your pet! Perfect fit! The LED flashing tube can be set to flashing or light continuously by means of touch switch (approx.100 hours,approx.50 hours continuous light),and size in individually adaptable by simple cutting.