This article provides what mounting option is on the Elo 1717L monitor

Rear VESA Mount on Elo 1717L monitor:

For the 1717L touchmonitor, a four-hole 75x75mm mounting pattern for M4 screws is provided on the rear of the monitor. Remove the stand using a Phillips screwdriver to access this mounting interface. The VESA FDMI-compliant counting is coded: VESA MIS-B, 75, C.