The GR-390M is a keychain garage door opener remote that works with Genie Intellicode and Overhead Door Code-Dodger garage door openers. This remote programs using a "Learn" button on the garage door opener hanging in the garage.
The replacement remote is for Genie or Overhead garage door openers with program buttons to set the code. Once the code has been set with the 'learn' feature to match your receiver just press the garage door opener button to activate your garage door.
The new remote includes a installed battery and detailed programming instructions.
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