Features: When green light is always on, means normal working model. When blue light is always on, means intermittently model(work 3 min, then stop 2 min). When red light flashes - means water level low, can works normally. When red light is always on - means water is not enough, and the pump shuts off automatically to prevents the pump from running dry. When Green light flashing - remind replace filter. Ultra Silence Never Disturb - cat water fountains have advanced pump,which is whisper-quiet and stays below 10 decibels. The water softly bubbles over the tower of the stainless steel cat fountain, allowing timid or shy cats to comfortably drink from the pet water dispenser. This dog fountain holds 67oz/2L large water tank. Ideal for all sorts of small pets when their owner is on a small trip. Intelligent With LED Light - Different LED models let you know the state at a glance! 1.When green light is always on, means normal working model. 2.When blue light is always on, means intermittently model(work 3 min, then stop 2 min). 3.When red light flashes - means water level low, can works normally. 4.When red light is always on - means water is not enough, and the pump shuts off automatically to prevents the pump from running dry. 5.When Green light flashing - remind replace filter. High-Grade and Durable Stainless Material - Compared to plastic pet drinking fountains, whole inner bladder of our pet fountain is made of imported total 304 stainless materials that are easier to maintain scratch-resistant. BPA-free and dishwasher safe. Ease of Use and Clean - pet fountain only takes a few minutes to set up and disassemble for cleaning and maintenance.To thanks for all customers, our pet water fountain comes with 8pcs replacement filters and cleaning brushes. Best bang for your buck!!! Circulating filtration system - The circulating filtration system uses a replaceable round filter to purify the water, remove hair, dirt and food particles. The round filter is composed of cotton layers, coconut shell activated carbons and ion-exchange resins. It provides fresh clean water to your lovely pets. A source of running water encourages pets to drink more rather than still water. Hydration helps prevent your pet from urinary and kidney diseases. Specification: Power Supply Type: ac110 ~ 220V Rated Voltage: AC 220 V-50 Hz Net Weight: 1057g / 2.3lb Plug: US / UK / EU / JP (Optional) Material: ABS + stainless steel liner Filtration method: high density filtration sponge Capacity: 2L Wire length: 1.5m Product size: diameter: 234mm, height: 158mm Package Size: 24.2 * 24 * 16.6cm / 9.5 * 9.5 * 6.5in Package Weight: 1120.01g / 2.5lb Note: The working voltage of this equipment is 5V, please do not use too high or too low working voltage. It is suggested that a soft mat be placed under the product to reduce resonance noise and water splashed by pets. Packing list: 1* Water fountain (including stainless steel bucket) 1* Charging line 1* Adapter 1* Sponge cleaning brush 8* Filter 1* Instructions