Every dog has its nite with NiteHowl, providing a full-circle glow with cut-to-size customization, glow and flash modes, and rapid USB-C recharging. Details: Universal sizing: cut to fit from 12" - 27"|30.5cm -68.5cm Weather resistant Micro USB rechargeable (cable not included) Battery run time: 5.5 hours Recharges in approximately 1.5 hours