Please kindly noted that this item is sold by Homee from Joybuy marketplace.Features: 2 Water Modes: Faucet mode from water faucet; and fountain mode from water tray. Sensor Function: About 3 meters sensor . When your is approaching, it will operate automatically. When the left the detection for 15 seconds, it will stop working. 1.8L Capacity: Transparent water tank with 1.8L large capacity for cats, small and medium dogs. The storing water can last about 1 week. No need to replenish water frequently. Silent Pump: Pump noise measures below 40dB, leaving a sweet dream for you and your pets. Convenient USB: Pump with a USB cable, convenient to use. Specifications: Color: Transparent Material:PC Power: USB Size: 16.5 * 15.5 * 15.5cm Weight: 600g Package List: 1 * Water Tank 1 * Pump 1 * Adapter 1 * Filter Tray 1 * Filter Foam 1 * Water Faucet 1 * Sensor 1 * User Manual