The Securitron AQ Series of switching power supplies are dual (AQD), single (AQS) and voltage supervised units with a battery charger designed to power magnetic locks, electric strikes, card readers, sensors, access control boards and other devices in access control systems. The AQ Series can also be used to power DC cameras and other DC locking equipment. These units provide field selectable dual (AQD) or single (AQS) 12 or 24 VDC with up to 16 independently controlled power limited outputs.