I needed to have better access to my mk3's power switch with it being in an enclosure so i decided to install a power button for the power and one for the lights.
Buttons purchased from here https://smile.amazon.co.uk/gp/product/B07DDD73T3/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1
The author hasn't provided the model origin yet.