The Allen-Bradley 2711PC-K4M20D is a PanelView Plus 6 Compact HMI with a monochrome 3.0 x 2.3-inch display. Featuring keypad input, Ethernet and RS-232 communication, it operates on 24V DC power. Equipped with 512 MB storage and 256 MB RAM, it's designed for FactoryTalk View Compact Machine Edition and meets various NEMA/UL and IEC enclosure standards for indoor use. Manufacturer Rockwell Automation Brand Allen-Bradley Part Number/Catalog No. 2711PC-K4M20D Product Line PanelView Plus 6 Compact Display Size 3.0 x 2.3 in. Display Color Monochrome Input Type Keypad Communication Ethernet and RS-232 Input Power 24V DC Software FactoryTalk View Compact Machine Edition Memory 512 MB nonvolatile memory and 256 MB RAM Enclosure Type NEMA/UL Type 12, 13, 4X (indoor use only), and IEC IP66 Dimensions 6.0 x 7.28 x 2.35in.