Electromagnetic Lock, Surface Mount, Opening Action Instant Release, Steel, Amp Draw @ 12V 520mA, Amp Draw @ 24V 260mA, Input Voltage 12/24V DC, Projection from Wall (In.) 2 1/4 in, Features Easy Mount Adjustable Bracket, Individually Tested for Holding Force, Total Projection (In.) 1 3/64 in, Holding Force (Lb.) 600, Armature Length (In.) 9 7/8 in, Armature Width (In.) 1 57/64 in, Armature Depth (In.) 1 3/64 in, Lock Body Length (In.) 9 7/8 in, Lock Body Width (In.) 1 57/64 in