[XSafety] The unique XSafety system of the Water Dispenser 3 for Cats and Dogs provides a backup battery solution (battery is not included in the package). It can provide independent power for 7 days in the event of a power failure. Worry no more when you’re on vacation. [XMute] PETKIT’s new generation water dispenser uses sleep-level mute pump, which can reduce noise by 25% (compared to other pumps) and keep your sleep sweet. [XQuality] This pet fountain has a capacity of 1.35 L/46 oz. The inner bucket and upper water bowl are made of 304 stainless steel. The plastic part is made of Tritan material. It is FDA approved and BPA free. It will provide your pet with long-lasting power and a safe drinking experience. The special design encourages your pet to drink more water. [XPure] High-performance purification circulation filtration system and filter with activated carbon and ion exchange resin can provide your pet with healthy and oxygen-rich water. [XDesign] Advanced appearance design