an enclosure/cover for a Mean Well 12 PSU Model RS-15-12 and a prototype board (75.5x51mm) plus enclosure for a panel voltmeter 5135-LCD DC-20 ( 79x42x26mm )
on a column.
The mains switch is from mouser.com :
datasheet of the switch :http://www.mouser.com/ds/2/140/R6-346382.pdf
tumbler switches are mini ones with ∅ 6mm neck
Originally the backlight of this voltmeter is blue, but I have burned those blue LEDs while torture-testing power voltage for this voltmeter (backlight died at >12V) and soldered two red and one yellow in the middle and added 500Ω load resistor - hence rose colour of backlight