Electromagnetic Lock, Face Mount/Bond Sensor/Door Position Switch, Opening Action Electromagnetic, Stainless Steel, Amp Draw @ 12V 300mA@12V DC, Amp Draw @ 24V 150mA@24V DC, Input Voltage 12/24V DC, Projection from Wall (In.) 2 1/4 in, Features Fully Sealed Electronics, Total Projection (In.) -, Holding Force (Lb.) 600, Armature Length (In.) -, Armature Width (In.) -, Armature Depth (In.) -, Lock Body Length (In.) 8 in, Lock Body Width (In.) 1 7/8 in, Lock Body Depth (In.) 1 39/64 in