Wireless Cat Water Fountain-Place cat fountain wherever you like. No danger of cats chewing on USB cables. 152oz/4.5L Large Capacity-4.5L Pet water fountain lasts for 2 weeks of drinking water. Ideal for homes with multiple cats or dogs. Three modes of Free Switching-Sensor mode, water runs when cat approaches. Continuous mode, water flows continuously. Timed mode, water runs every 30 minutes for 1 minutes. 5000mAh Li Poly-Extra large capacity durable battery, charges in 3-5 hours and lasts up to 50 days in sensor mode. Quiet and Easy to Clean-Quiet pump below 20dB for peace of mind at night.100% BPA Free&304 food grade stainless steel. Scientifically designed to make cleaning and installation easy. Excellent Filtration System- High-density activated carbon removes bad taste and odor. Sufficient amount of Ion exchange resin could soften the tap water. Non-woven fabric could filter hair and impurities. Note: ASIN B0DC3V423K is the only genuine MewDgland filters, the wrong filters may cause damage to the pet water fountain. wireless pet water fountain battery operated rechargable for indorr cats and dogs with 3 sensor modes and stainless steel water tray