Product information: Color: 4L copper tube faucet, 4L ball faucet Applicable objects: dogs and cats Specifications: plug-free-USB interface, national standard-USB interface, European standard-USB interface, American Standard-USB interface, British Standard-USB interface, Japanese standard-USB interface, korean standard-USB interface, Australian regulation-USB interface Category: Pet tableware Packing list: Pet drinking water tool * 1 set 1. Water dispenser * 1 2. Water pump * 1 3. Filter element * 1 4. Filter cotton * 1 5. Instruction manual * 1 6. Outlet head * 1 7. Adapter * 1 (optional)