[Wide Compatibility]Note: Does not work with remotes with DIP switches! Replacement for O3T-BX O3T-A 315/390MHZ remote of for Overhead Door garage openers from 1995-manufacture date to current and for Genie IntelliCode garage doors. Comes with an auto search dual frequency feature with 315/ 390MHZ to minimize interference. [Replaceable Models]For Overhead Door O3T-BX garage door remote can replace many models, including: O3T-BX, O3T-A, O1T-BX, O1T-A, OM3T, O3BT-P, 41539T, ACSR10, 37219R, OM3T-BX, 37345, GITR-3, OCDTR-3, OCDT-1, OCDT-2, OCDT-3, GITR-3, -1, -2, -3, G3T-BX, G3T-R, G3T-A, G1T-BX, G1T-A and so on. Compatible and replacement models are more diverse. [Easy Programming]O3T-BX 3 Button Remote for Overhead Door Garage Door is quick and easy to install, it only take you about 5 minutes to complete, even old doors that have worked for a long time can be used, [Auto- Dual Frequency]For Overhead Door O3T-BX garage door remote can control up to 3 garage door openers with auto search 315 and 390 Hz dual frequency technology. Extremely long operating range allowing you to open early for quick access without waiting. [ Material]Made of plastic material, strong and fall-. Ergonomic design,comfortable to use. Easy to pair with garage door opener. Easy to carry (mounted on the car sun visor). Colour:Black Material:plastic Package Contents: 2 x Remote controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.