QUALITY MATERIALS: Made of high-quality materials, this dog toy is sturdy enough to withstand pet bites and scratches. Maintains durability in both smart and normal mode and can be used for a long time LED LIGHTING EFFECT: Equipped with bright LED light rings, it can be clearly seen in dim environments, adding fun to night walks or indoor games WATERPROOF: Easy to clean. Meets the requirements for indoor and outdoor use. Suitable for interaction with your dog in various environments, including near outdoor swimming pools SUITABLE FOR MULTIPLE SURFACES: The ball can operate on various floor types such as marble, wood, tile floors, and thin carpets PERFECT FOR SMALL TO MEDIUM DOGS: Specially designed and sized for small to medium-sized dogs, accommodating a variety of breeds. Provides an interactive experience suited to your dog's needs and play style NOTICE: 1. Actual color may be slightly different from the image due to different lighting conditions 2. Please allow 1-3 cm deviation due to manual measurement Material: Silicone, ABS Diameter: 80 mm Battery: 500 mAh Single Ball Weight: 165 g Charging Voltage: 5 V Working Modes: Crazy Mode, Normal Mode Waterproof Rating: IP54 Standby Time: 7 days Continuous Working Time: 4 hours Package List: 1 x Smart Interactive Ball for Dogs