Electromagnetic Lock Surface Mount Opening Action Electromagnetic Steel Amp Draw @ 12V 1.5A/12V DC Amp Draw @ 24V 0.76A/24V DC Input Voltage 12/24V DC Projection from Wall (In.) 1 3/8 in Features For Double Outswing Doors Total Projection (In.) 1 3/8 in Holding Force (Lb.) 500 lb Armature Length (In.) 7 in Armature Width (In.) 2 3/16 in Armature Depth (In.) 1/2 in Lock Body Length (In.) 18 1/16 in Lock Body Width (In.) 2 1/2 in Lock Body Depth (In.) 1 3/8 in