Remote Includes: Battery, Instructions and Visor Clip
Remotes are made to operate at a specific frequency for a specific opener.
Please check dip switches the door opener has on it. If it has 12 then the unit will work perfectly. If they are 12 dip switches and it still doesn't work then kindly reverse the switches.
The Stinger 390GED21V remote is for Genie Openers that currently use the Genie 12 switch GPT-1(GPT90-1) visor remote. replaces models AT90, GT90, GT90-1, MAT90, CT90, LD12, PMT90-1, ALT90-1.