The POS text inserter devices is essentially a video serial interface that translates data from the cash register and other billing peripherals to the video display from the CCTVs. This allows the transaction details to be recorded along with the video surveillance which mares reviewing it easier. This is essentially a security feature, which keeps tabs on the sales transactions. It also helps manage the inventory and assess the quality of sales and the consumer requirement effectively. These systems are ASCII compatible, which makes it easy to upgrade/ replacing the devices an easy affair. These devices are technologically advanced, yet use primitive interface and display systems, making it cost effective and highly reliable.