Electric Strike for Auto Wood and Metal Doors 12V Fail Safe Normally Closed and Fail Secure Normally Open Adjustable^^880lbs Maximum pressure resistance, 90 degree opening angle^^Durable 304 Stainless Steel Plate^^Compatible with Olideauto automatic swing door opener model number DSW100, DSW120, Olide-120B^^Millions of pre-factory tests, long service life for both indoors and outdoors