With the PETLIBRO fountain, your pets can enjoy fresh and clean water. Multi-stage vertical filtration effectively removes impurities, enriches the water with oxygen, and improves taste. Induction mode activates water flow when a pet is detected within a 20-inch radius, saving power and preventing stagnation. Continuous power mode is available for constant operation. Removable tank simplifies cleaning, and built-in 5000 mAh battery provides up to 30 days of autonomous use