Smart Pet Water Fountain: with Filterless Innovation & Clean-Wastewater Separation Say goodbye to messy filters! Our Smart Pet Water Fountain uses patented clean/wastewater separation technology, ensuring your pets drink only fresh water—no recycled sewage. The automatic water dispenser for cats drains impurities into a dedicated tank, eliminating stagnant water. Perfect for multi-pet homes, this filterless cat water fountain saves costs while promoting hydration. 3.5L Large Capacity & 180-Day Wireless Freedom: Designed for busy pet parents, this pet gravity water dispenser holds 118oz of water—enough for 1 week! Its 2000mAh rechargeable battery lasts 180 days on one charge, making this Wireless Cat Water Fountain ideal for travel or cord-free home placement. No outlets needed, just pure hydration flexibility for cats and small dogs. Ultra-Quiet Automatic Water Dispenser for Cats with Smart Alarms: Keep your home peaceful! This automatic water dispenser for cats operates silently while its smart sensors alert you to low water levels, installation errors, or full sewage tanks. The Smart Pet Water Fountain ensures safety with water-electricity separation and real-time reminders, so you never worry about spills or shortages. Easy to Assemble and Clean: Featuring a fully detachable design, this automatic water dispenser makes it easy to clean both the water and sewage tanks. Its ultra-quiet operation ensures your pet can drink peacefully at any time of day or night. With its wireless setup, it fits seamlessly into any pet-friendly space, delivering a safe and healthy water source your pets will love. Pay Attention: 1. The waterproof pad cushion is located in the gap between the small inner box and the outer box (left or right side). Please check carefully.2.Lights on the screen won't keep stay on.After setting up the screen,the light will go out after 10 seconds,but device will work normally.3.Please switch the button that near the charging port to "ON" setting before charging,otherwise the charge won't work.(Flashing blue light:Charging; Flashing green light:Fully charging) Smart Wireless Pet Water Fountain, 3L Large Capacity, No Filter, Rechargeable Automatic Water Dispenser