Power Supply, Single Zone, With Housing Powers Up To 5 Remote (Single Box) Units Or 1 Remote 19 Subrack, Or 2 Lasercompact Units, Or 1 Laserplus, Laserfocus Or Laserscanner Unit Vps - 100Us - Xxx Requires (2) 12 Vdc, 12 Amp/Hour Batteries 120 Vac Version