"39 Connection Points Available on the PCB. 32 inputs, 5 ground, 1 Shazaaam! (Shift) and a +5v output connection." (KeyWiz Eco 2)
"Four additional on-board screw-termninals provide convenient access to 5v, Shazaaam! and Ground connections." (KeyWiz-QD)
"36 Screw Connection Points Available on the PCB. 32 inputs, 1 Shazaaam! (Shift), 2 Grounds and 1 +5v connection." (KeyWiz-ST)
..what were you looking for, actually?
Pretty sure they all have 5V available..?