A system that provides control of the entire business like maintaining cash control, printing the receipt bills, inventory control, update the prices in the system automatically, keep track record of the business and help in the total estimation of sales per day/month/year is called a POS system. It includes devices like Cash Registers, Receipt Printers, Customer Displays, Barcode Scanner, Data Terminals, POS Terminals, Touch Screen Monitors and many more. These POS system is installed in the checkout counter. Point of sales system reduce the problem errors that can be used because of manual billing and account or inventory management. The POS systems also helps in saving time on your counter while billing which would take a toll on you if you do it manually. It is very important to choose the right point of sales system for your business since this system is an integral part of any type of business.