What Is a POS System and How Does It Work? A POS system can be simple to complex depending on the needs of the business. A small retail store may have one or two registers, while a large restaurant may have several. The system also depends on if you are running your transactions through an older cash register or a computerized POS system. The more complex the system, the more expensive it will be to purchase and maintain. POS systems use hardware such as cash registers or touch screen computers to receive input from customers. This input includes items purchased, customer information for a retail store (name addresses, email), and method of payment (cash, credit card, or gift card). POS systems also have the ability to process the transaction electronically through a payment processor. In this capacity, it is able to transfer sales data from one location to another. For example, making a sale in your store and updating inventory levels for that same item at your distributors warehouse or vice versa. This makes a POS system an integral part of a business' cash flow. A POS system helps to increase sales and customer satisfaction by providing real-time information, such as inventory levels and up-to-date product prices. There are many POS software packages on the market today. If you already have a point of sale register like an older style cash register or a computerized system, then you will need to purchase additional hardware. If your business is transitioning from cash registers to computers, this may be an option for you as well. There are POS systems that run on laptops or touch screen computers with their own built-in receipt printers if you do not already have a way to take payment or sell items. POS systems are an essential business tool. Whether you have one register or several, a POS system will help to increase sales and customer satisfaction by providing real-time information, such as inventory levels and up-to-date product prices. This helps customers make informed decisions when it comes time to check out. To find the right POS system that will work for you, do a little research and ask some questions before you commit to a particular system.