Glowing LED neck ring for horses to be seen better when riding at dusk.With integrated USB port for easy charging of the battery. The outer layer is weatherproof, so ideal even for a walk in dirty weather. Custom size adjustment is guaranteed with easy cutting. Three light modes: flashing light fast and slow with up to 4 hours of battery life and steady light with up to 2.5 hours of battery life. USB cable included. Width/diameter: 1 cm; length: 150 cmCharge time: approx. 1.5 to 2 hrs.