?TFT color display HD display, with character function display, large screen color display, at a glance. Panel buttons, soft buttons, feel comfortable, easy to press the multi-function combination button ?With product support frame, there is a retractable support frame, which is supported on the table top ?Rear jack with square wave output jack and USB communication port, this unit is also equipped with a 5V adapter ?Widely used in electric power, communications, meteorology, railways, oil fields, construction, measurement, scientific research and teaching units, industrial and mining enterprises and other fields ?100% Guarantee: High quality product, we promise to do everything possible to satisfy all customers. However, if you are not 100% satisfied with our service or our products, simply contact us. We are always at the side of our customers to support and continuously seek new ways to improve