When the water level of the tank drops below the warning level, water supply will stop. When the red light continues to go on, it means water shortage. Our capacity is 1.2L, enough for your kitten to drink for a week, Also, changing the water every week will keep the water fresh.This latest generation pump is designed with unique motor technology, Ultra Quiet ( below 40dB ), 5 W low power consumption, normally lasting between 2.5 - 4 years, which is much more stress-free and durable than others.This cat water dispenser is made of BPA-free and food-grade ABS materials to ensure the safety of your cats. It is incredibly easy to assemble and clean.You only need to clean the filter plate and filter cotton regularly. The filter cotton can be reused after cleaning.SPECIFICATIONS：Size: 1.2L Color: WhiteStandard power: 5WPower output: DC5V-1A Product material: ABSPower input: 100-240V ～ 50 / 60Hz 0.25A Product weight: 1KGProduct Size: 132 * 182cmPackage Included:1* Pet kettleIf you have any questions about the product, please contact me, we will contact you within 24 hours and give you a satisfactory answer.If you have any questions about the product, please contact me, we will contact you within 24 hours and give you a satisfactory answer.