This rechargeable NiteHowl changes colors using an eye-catching color-blending pattern and offers three selectable colors. The cut-to-fit design makes it perfect for both big and small dogs, while the full ring of illumination helps keep your dog seen and safe at night.

• Easily slides over your dog's neck as a bright LED addition to an existing collar
• Universal sizing: cut to fit from 9.5"-14.8"
• Choose from Disc-O mode or three selectable colors (red, green, blue)
• Disc-O mode features unique color-blending pattern
• 360° of illumination
• Weather resistant
• Micro USB rechargeable (cable not included)
• Battery run time: 4 hours
• Recharges in approximately 1 hour