Power Supply/Charger w/Fire Alarm Disconnect - 12VDC or 24VDC @ 2 amp max. Four (4) PTC Class 2 power-limited outputs and one (1) aux. power output, AC & battery monitoring, Low battery cutoff, Over voltage protection, encl. 15.5H x 12W x 4.5D accommodates up to (2) 12VDC/12AH batteries, 115VAC input, UL Listed (UL294/UL603/UL1481), cUL Listed (ULC-S318-96). CSFM, CE Approved.