In the past few years, we have covered plenty of Fallout inspired gadgets and toys here. This Pip-Boy 3000 MK4 is also worth a look. It is hand crafted and painted from scratch and uses a phone as its display. It also has an interactive app installed. This Pip-boy has a 5-position rotary switch. It has multiple rotary knobs.
This Pip-Boy has a holotape slot mechanism. You can turn the lights on/off. VaultStuff is selling this on Etsy. You can order it ready to go or get the version that is ready to be pained.