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- This item will work with openers that have a 3-wire connection and 24 volts. 2-wire/24 volt openers require a separate transformer (sold separately). Also works with older 29/34 volt openers as long as the transformer is used to power the receiver.
- The receiver model GIR390 will upgrade your older unit to the newest technology, easy to follow instructions are included.
- Code rotating technology (changes codes every time you use it) for added security.
- This type of singal cannot be duplicated by code grabbers.
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