Product name: Diamond Smart Pet Water Fountain Capacity: 1.8L (sufficient for 7 days) Material: food-grade ABS Cable type: nylon braided cable Power supply: adapter/battery Working modes: normal mode, smart mode, air removal mode Dry-burning protection: available Running noise: ≤30dB Indicators: refill indicator/filter replacement indicator/battery indicator Water pump: wireless, electromagnetic, 2-year working life Filter replacement: 30 days Product cerfitications: RCM, CE, FCC ID, PSE, RoHS Factory certifications: ISO 9001, ISO 14001