The ALLEN BRADLEY 2711P-K6M3A is a PanelView Plus 600 operator interface featuring a 5.7-inch monochrome display with 320 x 240 pixel resolution. This discontinued model includes keypad input and supports multiple communication protocols: DH-485, Ethernet, RS-232, and USB. It operates with 100-240 VAC input power at 50/60 Hz frequency. Note: Original manufacturer warranty is not applicable, but the unit comes with Beyondtech's warranty.