1508-AQN5 Electromagnetic Door Holder, Surface Wall Mount, Amp Draw @ 24V .015 AC/DC, Input Voltage 24 VAC/DC, 120 VAC, Holding Force 25 Lb, Armature Length 1 5/8 In, Armature Width 2 1/4 In, Armature Depth 2 1/4 In, Lock Body Length 4 5/8 In, Lock Body Width 2 3/4 In, Lock Body Depth 2 7/16 In, Powder Epoxy Aluminum Finish, UL Listed, FM Approved, Includes Mounting Hardware