Door Holders: Type - Electromagnetic Door Holder; Mounting - Flush Wall Mount; Voltage - 24VAC/DC or 120VAC; Current - 0.015A; Holding Force - 25 lb (11.3 kg) min; Construction - Die Cast/Epoxy Aluminum Finish; Size HxWxL - 4.63"x2.75"x0.80" (117x70x21mm); Additional Information - Door held open until de-energized. For use with single door application. Voltage; Field selectable; Manufacturer Series - 1504 Series