Designed to fit a Drok 200191 battery monitor. LINK
Opening for battery monitor centered in the mount.
You will need to mount the module up about 1" for full clearance of the connector and cable on the backside of the display.
Size: 2.9" x 1.4"
Mounting hole pattern: 2.5" x 1"
Window size: 1.708" x 0.448" (43.4mm x 11.4mm) - 0.4mm wider/taller than screen size
Screen mounting hole size: 0.098" (1.25mm)