Electromagnetic Lock Surface Mount Opening Action Electromagnetic Aluminum Amp Draw @ 12V 0.90 Amp Draw @ 24V 0.45 Input Voltage 12/24V DC Projection from Wall (In.) 2 in Features Failsafe with Auto Relock Total Projection (In.) 2 in Armature Length (In.) 2 1/4 in Armature Width (In.) 2 in Armature Depth (In.) 1 in Lock Body Length (In.) 6 in Lock Body Width (In.) 2 in Lock Body Depth (In.) 2 in Strike Plate Length (In.) 1 in Strike Plate Width (In.) 2 1/4 in