Sobo Pet Water Fountain Water Feeder Drinking Bowl Electric PD-5 wireless WIRELESS PUMP: Upgrade water fountain is safer and more convenient by adopting a wireless pump. The water tank and pump can be removed separately when cleaning. (Note: This fountain needs to be kept plugged in while working) ENSURE PET'S NEEDS: 3.5L Water Dispenser design for multiple cats or dogs, no need to add water frequently. The noise is reduced to 20db, which is almost inaudible even on a quiet night. SAFE FILTERED WATER: With a high-effective purification filter composed of cotton layer activated carbon and ion exchange resin, our water fountain provides your pets with the healthiest water. ATTRACTIVE FISHES: Bubble fountains and free-fall streams can meet the needs of different pets, increase oxygen and freshness. Small fish can also enhance the pleasure of drinking water for pets. (Random color, fish don't move) EASY TO SEE WATER: The design of translucent water tanks and tick marks can monitor water levels. You can add water in time. When there is not enough water in the fountain bowl, the pump will automatically shut down.