Safe Material: Drinking water dispenser made of 304 stainless steel and high-density ABS plastic, non-toxic and odor-free.<br> High Compatibility: Electric pumping device suitable for standard bottled drinking water, compatible with various gallon-sized barrels without needing to pry open the lid.<br> USB Rechargeable Battery: Built-in 1200mAh rechargeable battery. Provides operation for 30-40 uses, approximately 4-6 bottles of 5-gallon water. No need to charge daily.<br> Easy to Use: Simply attach the pump to the bottle opening. One-button operation, convenient and user-friendly for all ages.<br> Note: This water pump is designed for bottles with a 2.16-inch (5.5cm) neck diameter.<br> Operating Voltage: DC 3.7V<br> Power Rating: 3.8W<br> Charging Time: 3-4 hours<br> Charging: USB charging cable included<br> Compatible With: 2, 3, 4, and 5-gallon water bottles<br> Dimensions: 2.9 x 5.1 inches / 7.5 x 13 cm<br> Hose Length: 21.7 inches<br> Pipe Length: 4.7 inches<br> Instructions:<br> 1. Connect the silicone hose and insert it into the bottle.<br> 2. Secure the water pump onto the bottle opening.<br> 3. Press the button to dispense water.<br> 4. Press the button again to stop dispensing.<br> 5. Recharge using the included USB cable when the battery is low.<br> Color: Black + White<br> Material: ABS + Stainless Steel<br> Package Contents:<br> 1 x Water Pump<br> 1 x Inlet Pipe<br> 1 x Outlet Pipe<br> 1 x USB Charging Cable<br> Note: Lighting and display differences may cause slight color variations between the product image and the actual item. Measurement tolerance is +/- 1-3 cm.