Electromagnetic Lock Surface Mount Opening Action Electromagnetic Aluminum Amp Draw @ 12V 139mA Amp Draw @ 24V 69mA Input Voltage 12/24V DC Features Auto Sensing Dual Volt Fail Safe LED Indicator Low Power Consumption Request to Exit Output Tamper Switch Holding Force (Lb.) 1 200 Armature Length (In.) 10 7/8 in Armature Width (In.) 2 in Armature Depth (In.) 9/16 in Lock Body Length (In.) 11 1/2 in Lock Body Width (In.) 2 1/2 in Lock Body Depth (In.) 3 1/8 in Mfr Series M680E