Lock dimensions: 170L*38.5W*21H mm Armature plate dimensions: 130L*33W*11H mm Holding Force: 180Kg(350Lbs) Current draw: 420mA@12V 250mA@24V Surface temp: Q+20 Operating temp: -10 ;+55;(14-131F) Anodized aluminum housing Suitable for: Wooden door, Glass door, Metal door, Fireproof door Feature: Fail safe Export standard packing