Nite Ize Rechargeable NiteHowl Disco Select Multi Select Dog CollarsThe rechargeable NiteHowl LED Safety Necklace combines durability, flexibility and bright illumination for hours of nighttime fun and safety. Made from a flexible polymer lit by vibrant LEDs, it features Disc O Select technology, allowing you to choose between three solid colors (red, green, or blue) or the mesmerizing Disc O mode. This unique setting creates a flowing, color blending pattern thats both eye catching and practical. Customizing the