To begin with, the safest place to get 5.6 Inch Intelligent HMI Touch Screen with RS232/RS485 +Embedded System+Control Board for Industrial Use online is straight from the manufacturer’s site. You know you’ll be getting a genuine great and you’ll qualify for every one of the warranties and guarantees the fact that good maker usually presents. Expensive good companies are generally pretty old school, which means they rely on a network of distributors and have for generations. That means those distributors generally offer the sales and the best online prices. The price to the watchmaker website is usually higher than walking into a store. In any event, always check the manufacturer’s web page first, it takes only a few minutes and you can get what you want directly from the source.