Safe Material: BPA-free drinking water dispenser made of 304 stainless steel and high-density ABS plastic. Non-toxic and odorless. High Compatibility: Electric pumping device suitable for standard pure bottled drinking water. Fits a variety of gallon-sized water bottles without requiring the lid to be pried open. USB Rechargeable Battery: Built-in 1200mAh rechargeable battery. Provides operation for 3040 days or pumps approximately 46 bottles of 5-gallon water on a full charge. No daily charging required. Easy to Use: Simply attach the pump to the bottle opening. One-button operation, user-friendly for children and elderly individuals. Note: This water pump is designed for water bottles with a 2-inch (55mm) neck diameter. Operating Voltage: DC 3.7V Power Rating: 3.8W Charging Time: 34 hours Charging: USB charging cable included Compatible With: 2, 3, 4, and 5-gallon water bottles Product Dimensions: 7.5 x 13 cm (2.95 x 5.1 inches) Hose Length: 17 inches (43 cm) Pipe Length: 7 inches (18 cm) Instructions: Connect the silicone hose and insert it into the water bottle. Secure the water pump onto the bottle. Press the button to dispense water. Press again to stop. Charge using the included USB cable when battery is low. Color: Black + White Material: ABS + Stainless Steel Package Contents: 1 x Water Pump 1 x Inlet Pipe 1 x Outlet Pipe 1 x USB Charging Cable Note: The package includes only the items listed above. Other accessories are not included. Note: Slight color variation may occur due to lighting and screen display differences. Measurement error allowed within +/- 13 cm.