• 12VDC or 24VDC selectable output. • 1 amp @ 12VDC or .5 amp @ 24VDC of total supply current. • Two (2) Class 2 Rated power limited outputs. • 24VAC/40VA input. Use UL listed plug-in transformer. • Filtered and electronically regulated outputs. • Normally Open (NO) trigger input. • Short circuit and thermal overload protection. • Built-in charger for sealed lead acid or gel type battery backup. • Maximum charge current .4 amp. • Automatic switch to stand-by battery when AC fails. • Supervised Fire Alarm Disconnect (Latching w/reset or Non-Latching). • AC input and DC output LED indicators. • AC power and unit status indicator on the front panel. • Lifetime Warranty.