Intellicode Garage Door Opener Replacement Receiver (390 MH (GIR390)
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.