The electric automatic water dispenser pump is rechargeable via USB cable. Can be used to pump out 4-6 water jugs if fully charged. The shell is made of high quality ABS plastic, lightweight but solid. Simply fasten the electric pump water dispenser on the bottle mouth. Simply tap to operate. Totally hassle free even for kids and elderly. Unlike other water dispensers, the electric pump water dispenser is compact and fully portable. Ideal when travelling or camping. No more buying extremely expensive water dispenser each year or clean inside machine regularly. This best electric water dispenser pump is very cost effective, same price as manual drinking water pump but saves you from pumping dozens of times to pour one cup of water. With our electric water pump, you just need to press one button, 10 seconds, a glass of water!