Genie G3T-BX Intellicode 3-Button Remote Mini KeyChain Remote 37218R, Lot of 2 The remote utilizes dual frequencies 315 MHz and 390 MHz leading to less operation interference. Compatible with Genie garage door openers only manufactured since 1997 The sleek design with allows it to clip to any car visor and attach to a key chain. The remote comes with the battery and visor clip included.