High-Quality Filter: The filter is filled with food-grade coconut shell activated carbon, so our cat water fountain can get rid of 99% impurities and provide fresh water. This BPA free cat fountain is easy to operate and clean. Pet Fountain with Switchable Light: The interior of this cat drinking fountain is illuminated by the LED night light, attracting your furry babies to drink more while acting as home decor. A switch on the power cord of this cat fountain with light allows you to turn on/off the light as needed. Ultra-Quiet: Upgraded based on feedback, our water fountain for cats inside runs on a low power consumption &_x005f_x000D_ a super silent pump. This silent pet fountain won't disturb you, your cats or dogs. Larger Capacity with USB Pump: With a 3L/101oz water capacity, this quiet cat water fountain is great for pets of all sizes to drink for more than 2 weeks. USB pump fits adapter and power bank, your pet can enjoy drinking anywhere. The water pump enjoys 1 year warranty. Don't Worry about Water Shortage: Transparent water level window with LED Light makes this dog water dispenser incredibly easy to know when a refill is needed. When the water level is low, the pump will shut off automatically.