Features an LED water level window. 2.4L water capacity is ideal for small to medium sized pets. You can decide if you need to add water by observing the water level window. Ultra Quiet & Low Consumption Pump is very quiet (measured below 40dB) and low consumption. 3 Different Flow Designs: This cute pet fountain has 3 modes: flower waterfall, flower bubble and gentle fountain. Each mode meets the needs of various pets drinking styles. The free-falling stream and bright color attract pets and encourage them to drink more water. Circulating filtration System: The circulating filtration system uses a replaceable charcoal filter to purify the water, remove hair, dirt and food particles. Helps provide healthy and hygienic water for your beloved pets all day!