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Seco-Larm Enforcer 12v DC Electric Door Strike Fail Safe & Fail Secure (field selectable). Must Have Normally Open Device for Fail Secure, or Normally Closed for Fail Safe. Needs 12v DC 1amp Transformer (sold separate)
…from Liftmaster that can be programmed by using the transmitter a set number of times depending on the brand of garage door opener. Once the code is learned the transmitter will click. You can program two things with this transmitter. Items ship same day. Security+® 390 MHz. 1 year warranty.