Electromagnetic Lock, Surface Mount, Opening Action Electromagnetic, Steel, Amp Draw @ 12V 300mA/12V DC, Amp Draw @ 24V 150mA/24V DC, Input Voltage 12/24V DC, Projection from Wall (In.) 1 5/8 in, Features For Single Outswing Doors, Total Projection (In.) 1 5/8 in, Holding Force (Lb.) 600 lb, Armature Length (In.) 6 1/4 in, Armature Width (In.) 1 5/8 in, Armature Depth (In.) 1 7/8 in, Lock Body Length (In.) 8 1/9 in, Lock Body Width (In.) 1 7/8 in, Lock Body Depth (In.) 1 5/8 in