The Allen-Bradley 2711P-K4M5A8 is a Panelview Plus 6 HMI, featuring a monochrome 3.5-inch display, keypad input, and RS-232 communication. Manufactured by Rockwell Automation, it operates on 100-240 VAC, includes 256 MB RAM, and uses FactoryTalk View ME software with non-replaceable backlight and 2711-NC13 communication cable. Manufacturer Rockwell Automation Brand Allen-Bradley Part Number/Catalog No. 2711P-K4M5A8 Product Line Panelview 6 Plus Display Size 3.5 in. Display Color Monochrome 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-NC13 Shipping Weight 5 lbs. Shipping Dimensions 14 x 11 x 8 in Series Series A and Series B Firmware 7.00-8.10