Tecmojo 4U Vertical/Horizontal Vented Wall Mountable Server Rack for 19" IT Equipment Vertical Mount Wall Enclosure Surge Protection: LED indicators for

Surge Protection: LED indicators for power

Mounting holes:16" apart to accommodate stud placement

Multi-select Compatibility: Rack rails designed to accommodate both square and tapped holes

And there is an installation video for reference

Tecmojo 4U Vertical/Horizontal Vented Wall Mountable Server Rack for 19" IT Equipment Vertical Mount Wall Enclosure Surge Protection: LED indicators forSquare rack holes: Rack mount spaces are marked and numbered clearly; Side ventilation holes: Increase ventilation area and maintain temperature balance; Mounting rails can be positioned up down in multiple positions 1. 5 in apart; Knock out holes: Allow cables to pass through; Mounting holes: 16" apart to accommodate stud placement.