【Wireless Three-Mode Cat Water Fountain】This cat water dispenser allows you to switch between three water dispensing modes with a single touch. The infrared sensing mode (detects cat approach within a 120° range, 0-1.5m, dispensing water for 15 seconds) is ideal for active kittens and cats who dislike drinking water; the timed circulation mode (refreshes the water flow for 20 seconds every 20 minutes) is suitable for older or timid cats; and the continuous mode (dispenses water continuously for 30 minutes when powered by USB, then switches to sensing mode) comprehensively meets the drinking water needs of cats of different ages and personalities. 【2.8L Large Capacity & 4000mAh Long Battery Life, Visible Status for Peace of Mind】The cat water fountain has a 2.8L large-capacity design, saving you the trouble of frequent water refills. The 4000mAh high-capacity battery allows for long-term continuous use, and the LED lamps on the pump and main unit light up to indicate water shortage. Perfect for busy pet owners. This product will provide reliable hydration for your pets (cats and dogs) even when you are away at work or traveling. 【304 Stainless Steel Material & Reinforced Nylon Braided USB Cable】The cat water bowl is made of food-grade 304 stainless steel, which is resistant to contamination and rust, strictly protecting the drinking water hygiene of cats. The 304 stainless steel cat bowl has a fully detachable professional design and is dishwasher safe up to 70°C. The USB data cable is nylon braided + thickened structure, which is strong against pulling and not easily damaged, and can withstand long-term use. Body size: Diameter 21.5 x Height 14.7cm. 【Ultra-Quiet Below 10dB & Powerful Filtration】This automatic cat water fountain has an ultra-quiet design with an operating noise of less than 10dB, which does not disturb the cat's drinking or the owner's rest. The upgraded filtration system adopts activated carbon technology, and the 4-layer powerful filtration effectively removes impurities, residual chlorine, and odors in the water, providing clean, fresh drinking water for up to 4 weeks. For optimal performance and pet health, the use of soft water or filtered water is recommended (2 original filters are included with the product).