LED Dog Collar - Glows Fluorescent Choose USB Charging or Battery

All My Fur's LED Dog Collar glows fluorescent is very bright and easily seen, it’s made of TPU and ABS, which improves your dog's visibility and safety. Can be recharged by a mini USB cable with daily use device.  Note: There are two versions of the LED collar. 1. USB Charging Version; Charge when the light weakens. 2 Battery Version: Takes 2 CR 2016 button batteries. Please choose the version you want. Width Neck Circumference XS 2.0 cm 28 - 40 cm/11 -15 inch S 2.5 cm 35 - 43 cm/13 -16 inch M 2.5 cm 40 - 48 cm/16 - 18 inch L 2.5 cm 45 - 52 cm/18 - 20 inch XL 2.5 cm 52 - 60 cm/20 - 23 inch Three different Flash Modes are easily changed by clicking. First Click = Quick Flash Second Click = Slow Flash Third Click = Steady Light