Specification: Lock Size:250Lx47Wx25H(mm) Armature plate:180Lx38Wx11H(mm) Holding Force:280kg(600lbs) Dual Voltage:DC12V/DC24V Current Draw:DC12V/480mA DC24V/240mA Fail Safe : Locked when energized Time: 0/3/6/9sec Safety function:Built-in voltage spike suppressor Opening Mode:90 degree swinging door Suitable For:Wooden Door, Glass Door, Metal Door, Fire Proof Door Authority Certification:CE & MA approved Net Weight : 3 kg