Electromagnetic Lock, Surface Mount, Opening Action Outswing Electromagnetic Lock Door, Aluminum, Amp Draw @ 12V 0.50, Amp Draw @ 24V 0.25, Input Voltage 12/24VDC, Total Projection (In. ) 1-1/4, Holding Force (Lb. ) 650, Lock Body Length (In. ) 10-1/2, Lock Body Width (In. ) 1-3/4, Lock Body Depth (In. ) 1-1/4, Mfr. Series 2500, Instantaneous Release Delay, Brushed Aluminum Finish, Standards UL Listed, Options Included Outswing Electromagnetic Lock Door, For Use With Interior Doors