Key Features: - Wastewater Separation: Independent clean and waste tanks ensure your pet always drinks fresh water. The self-cleaning cycle automatically removes stale water, reducing slime and bacteria. - No Filters Needed: Save money and hassle with filter-free design. Easy to clean and maintain, just rinse and refill. - Cordless Operation: Built-in 3000mAh rechargeable battery lasts up to 6 months on a single charge. Perfect for travel or homes without nearby outlets. - Large Capacity: 3.5L clean water tank provides 3-9 days of fresh water for multiple pets. Ideal for busy pet owners. - Safe Materials: 304 stainless steel drinking bowl resists rust and bacteria, reducing pet acne. BPA-free plastic tanks. - Ultra Quiet: Near-silent 30dB motor won't disturb sleep. Brief water-refill sound at 30-35dB is temporary. - Easy Cleaning: All parts detachable and dishwasher-safe for quick 3-minute cleaning. - Warranty: Contact us anytime via Amazon message for support within 12 hours.