Feature: 1. 360 DEGREE LOOP FILTER: The activated carbon filter keeps the circulating water as clean as ever, and the high demand quoted standards keep pets away from gastrointestinal diseases. 2. LED VISIBLE WATER LEVEL: Different colors can distinguish whether there is water. When there is water in the bucket with blue LED light, and there is no water in the bucket with red LED light, please add water in time. 3. ACTIVATED CARBON: Purification of activated carbon is only for purer drinking water, in order to better filter impurities and extend the life of the pump. 4. REFUSE HARD WATER: Excessive calcium and magnesium ions in the water, pets drinking too little water, will form urinary stones, etc., which is the main culprit of pet urinary problems. 5. LARGE CAPACITY ANTIDRY WATER PUMP: Treat your pet with no size, no USB interface, no adapter. The 2.5L large water tank meets the requirements of long term circulating water supply. Specification: Item Type: Cat Drinking Fountain Product Material: PP Product Size: Approx. 21x20.5x18cm / 8.3x8.1x7.1in Power: 1-3W Water Storage Capacity: 2.5L Suitable Working Temperature: 0°-50°C. Package List: 1 x Spout Accessories1 x Water Tray1 x Filter Element1 x Filter Plate1 x Pump1 x Storage Bucket1 x English Manual Note: Please allow 1‑2cm error for manual measurement