The Omega 150 come with the VESA 75 standard mounting hole pattern, which means a hole pattern on the back of the monitor: 75mm x 75mm. The diameter of the screws are 4mm.

Screen Actual Size W230mm:H160mm:D20mm (W8.5 Inches:H6.2 Inches: D.7 Inches)

VESA® stands for Video Electronics Standards Association, an international non-profit corporation which represents more than 100 corporate members worldwide, and sets industry-wide interface standards for computing environments.