"Keep your furry companion safe and visible with the Nite Ize NiteHowl Max Rechargeable LED Safety Necklace Dog Collar. Specially crafted for even the thickest coats and fluffiest pups, the wide, light-transmitting band lays flat on their fur, providing a highly visible 360 glow that stands out in any setting. With a simple button press, activate Disc-O Select technology and cycle between 3 vibrant colorsred, green, or blueor select the mesmerizing, color-blending Disc-O mode. The cut-to-fit design easily adjusts from 12"" to 27"", ensuring the perfect fit for dogs big or small. Built for weather resistance and long-lasting use, the Nite Ize NiteHowl Max Rechargeable LED Safety Necklace Dog Collar recharges in just 2 hours, delivering up to 10 hours of brilliant illumination to keep up with every evening walk, park visit, or backyard romp. Recharges using micro USB cable (not included). Choose between red, green, blue, or a color-changing Disc-O mode Wide, flat band stays visible on thick coats 360 iIllumination for complete visibility Cut to size for a custom fit from 12"" to 27"" Rechargeable convenience Durable and weather-resistant design Long-lasting 10-hour run time"