Smart Pump with Indicator Light: The pump is silent (less than 30 dB). The low-voltage pump generally lasts 3 to 4 years. Observe the water level through the viewing window; when the water level is too low, the color will change from blue to red. The pump has an automatic shut-off to protect against dry running. Large 3-liter capacity: It has a 3-liter water capacity, making it ideal for small and medium-sized pets. The circulation system helps provide healthy and hygienic water for your beloved pets all day long. Two Flowing Designs: The pet fountain has two modes: a drinking faucet and a gentle fountain. They attract pets' attention and encourage them to drink water more often. Filtered Water: 3-layer filter: the sponge captures cat hair and debris, the ion-exchange resin layer softens tap water, and the third layer of activated carbon removes bad tastes and odors, providing fresh, clean water for pets. Eco-friendly Material: This fountain does not come with an adapter. The pet