Earmark Water Dispenser Pump is a must have in our household for our daily home needs. Simple Installation with One touch Switch Operation provides totally hassle free solution even for kids and elders. No more heavy lifting of water cans and hand operated pumps needed to fill in the water from the can. Its food grade silicon tube is developed for long lasting usage and the pump operates with a single charge (3-4 hrs) for a full 4-6 20 Ltr water can. It can be charged with any power bank or USB Mobile charger and can be used in outdoors during picnic and parties. Fits for all Standard type cans with neck diameter of 2.16 (5.5cm).