The Altronix ALTV615DC44ULM Power Supply provides 6VDC to 15VDC distributed via four (4) Class 2 Rated, fuse or PTC protected, power limited outputs for powering CCTV Cameras, heaters and other video accessories. Total supply current is adjustable at 4 amp. ALTV615DC44ULM Power Supply has filtered and electronically regulated outputs, as well as short circuit and thermal overload protection. The unit maintains camera synchronization. Easy installation saves time and labor.