Visionis VIS-EL100-FSE 1,100lbs Stainless Steel Electric Door Strike for Wood and Metal Doors 12v Fail Secure Normally Open (Lock) Lock Size: 150Lx39.5Wx34H (mm) 5.90Lx1.55Wx1.34H (in.), Structure: Zinc alloy, Holding Strength: 500kg (1100 pounds) Voltage: DC12V, Current: 200mA, Feature: Fail Secure. N/O remains closed when power is off Signal Output: Lock Status Output NO/NC/COM, Suitable For: Wooden Door, Metal Door, PVC Door Surface Temperature: Within +20C (+68F), Suitable Temperature: -10~+55C (14-131F), Operating Humidity: 090% (non-condensing) Function: Built-out MOV, Weight: 0.4kg (0.88 pounds)