Used 
OMRON
Used 
NT21-ST121B-E  
5.2-inch monochrome STN LCD HMI

The OMRON NT21-ST121B-E is a 5.2-inch monochrome STN LCD HMI (Human Machine Interface) with a resolution of 260x140 pixels and a 24VDC power supply. It's designed for touch-screen operation and is part of OMRON's NT21 series of HMI panels.