The Allen-Bradley 2711P-K4C5A8 is a Panelview Plus 6 terminal from Rockwell Automation featuring a 3.5-inch color display with keypad input. It supports RS-232 communication, operates on 100-240 VAC, and uses FactoryTalk View Machine Edition with 256 MB RAM. Series A and B are available, with firmware versions 7.00-8.10. Manufacturer Rockwell Automation Brand Allen-Bradley Part Number/Catalog No. 2711P-K4C5A8 Product Line Panelview 6 Plus Display Size 3.5 in. Display Color Color Input Type Keypad Communication RS-232 Input Power 100-240 VAC Software FactoryTalk View Machine Edition Memory 256 MB RAM Backlight Non-replaceable Communication Cable 2711-NC14 Shipping Weight 5 lbs. Shipping Dimensions 14 x 11 x 8 in Series Series A and Series B Firmware 7.00-8.10