MG Electronics HPS124UL 4 Camera power supply, Fully Regulated, 12VDC 1AMP per output. 4 Individually PTC Auto Reset Protected output. I/P 100/240VAC 50/60Hz Auto selectable. UL2044,CE Listed. E-Z Mount cabinet 9 3/4"x 3 3/4" x 8 1/8" Adjustable voltage -+10%