Important: For a good installation, it is not necessary to remove the cover from the holder.Portable - Easy to install and remove, the portable water pump is ideal for home or office use. Its compact size makes it easy to transport. It is also suitable for outdoor use, such as beaches, barbecues, picnics, etc.Long battery life: The water dispenser has a built-in 1200 mah USB rechargeable battery for fast charging and long service life. Once fully charged, you can use about four to six 19-liter bottles of water.Material - This pump is made of BPA-free material, food-grade silicone hose, 304 stainless steel, high-density, non-toxic, odorless ABS plastic. The health of you and your family is very important. That's why we have to protect you and your family.Compatibility - This electric dispenser comes with a flexible silicone hose for quick pumping. The pump is suitable for all types of bottled water, such as 5/7/11/18.9 liter bottles or other standard-sized cans and buckets.Simple operation: Just install the water dispenser in the mouth. One click operation, completely without frustration, even for children and adults.Note: Dispenser is suitable for bottles with a neck diameter of 6.4 cm. Please confirm the size of the bottle before purchasing.Specifications:- Type: Portable and rechargeable- Input voltage :DC5V/1A(Note: Using a fast charger will damage the battery)- Operating temperature -5-38 degrees Celsius- Size :14.3 * 14.6 cm- Battery capacity :1200 mAhPackage contents:Electric water dispenser x1- Silicone hose 55cm x1- USB charging cable x1