Manufacturer Adams Rite Model PS-1 Dimensions 12-1/8″ H x 4″ D x 12-1/8″ W Outputs Selectable 24VDC or 12VDC Input Voltage 110 VAC, 60 Hz, 1/2 amp. Output Voltage Field Selectable 12 or 24 VDC, 1 amp. U.L. Listed U.L Listed Warranty All electrical products (including EL and ED exit devices) for three (3) years Weight 15.0000