The following product was purchased from Amazon: https://amzn.to/4hpJaXT The water pump shows some signs of use, but overall it is in clean condition. Included are only 3 filters. *There is a slight crack in the water pump mounting area, but it does not affect use. Brand: HAPUP Item Weight: 0.82 kilograms Product Dimensions: 19 length x 17 width x 16 height cm Capacity: 2.2 liters Voltage: 5 volts (DC) 【Removable Power Base】The HAPUP cat water fountain has a built-in 5000mAh large rechargeable battery (up to 30 days) in the cordless base, achieving water and electricity separation. You are no longer restricted by power outlets, and you can freely place the water fountain in your cat's favorite places, such as the bedroom, kitchen, or living room. You don't have to worry when traveling with your cat or during a power outage. In addition, it has a 2-in-1 power mode, and you can also supply power from the included Type-C charging cable, allowing you to freely choose your preferred power supply method. There are no restrictions on location (indoor and outdoor). 【Smart Mode】The HAPUP cat water fountain smart automatic water dispenser allows you to choose from 2 water supply modes (faucet, fountain mode) and 3 sensor modes, allowing you to freely choose your preferred water supply method. Default motion sensor mode: Turns on/off every time the pet enters/exits the induction area, with no time limit (avoids scaring the pet due to sudden water outages). Timer mode: Dispenses water every 30 minutes and automatically circulates for 60 seconds. Standard mode (when powered): Water flows continuously, maintaining clean water.