Genie/Blue Max GPT90-3 3-Channel Garage Door Opener Transmitter

Genie GPT90-3 Garage Door Opener Remote Transmitter 3 button remote control transmitter for Genie garage door openers 390 MHZ Frequency, 12 Dip Switches, compatible with ALL Genie 12-switch, 390 Mhz frequency receivers 3-Channel Garage Opener Transmitter Visor clip and 9V battery included - One year manufacturer warranty Replaces models AT95-390, GPT90-2, GT90-3 Also compatible with Blue Max, Lift-a-Door, Alliance systems and more