This is a genuine 24V, 4.5A and 108W Mean Well LRS-100-24 enclosed power supply. The LRS-100 series of single-output 100 W enclosed style power supply is a low profile, highly efficient enclosed product. The LRS-100 series has been designed for use within demanding applications, thanks to a metallic meshing & air convection to ensure optimum heat dissipation. The LRS-100 series has been designed with efficiency in mind, delivering an extremely low no load power consumption. Installation into more testing environments can be done thanks to 5G anti-vibration capability.
Datasheet is available here: https://99tech.com.au/m/lrs-100_datasheet.pdf