Best Automatic Pet Water Fountain with Wireless Pump Homerunpet Pet Water Fountain Motion Sensor Wireless Cat Dog Water Feeder Smart Stainless Steel Wireless Cat Water Fountain Charging Operated Automatic Smart Wireless Pet Water Fountain 5.5L Stainless Steel. The Wireless Smart Sensor Pet Water Fountain delivers fresh, filtered water while giving you complete freedom from power outlets. Featuring a rechargeable lithium battery, motion activated flow, and multi layer mineral filtration, this fountain encourages pets to drink more while maintaining clean, safe hydration. Designed with an upgraded ceramic drinking plate and food grade 304 stainless steel tray, the smooth surface is hygienic, easy to clean, and resistant to bacteria buildup. The quiet circulation system runs softly, ensuring peaceful sleep for both pets and owners. The built in 5000mAh lithium battery supports up to 40 days of use in sensor mode, allowing flexible placement anywhere without cables. When your pet approaches (within 2 meters), the fountain automatically releases fresh flowing water. You can also switch to continuous flow mode for constant circulation. A multi layer mineral filter combines biochemical cotton, tourmaline, and maifan stone to remove impurities, balance pH levels, and improve water taste. The 2. 0L capacity provides enough water for 57 days for one adult cat, making it perfect for short trips. Wireless rechargeable design no outlet required 5000mAh lithium battery with up to 40 days runtime Motion sensor automatic water flow (2m detection) Optional continuous flow mode 2. 0L large capacity water tank Upgraded ceramic drinking plate for hygiene Food grade 304 stainless steel tray Ultra quiet pump for peaceful operation Multi layer mineral filtration system Removes chlorine and balances water pH Low water protection with auto shut off Energy saving design with low water indicator (<500ml) Fully washable body (remove battery before cleaning) Anti spill locking lid design Easy disassembly for quick cleaning