Compatible Note: we remind you that this 3 button door universal remote is not suitable for remote with dial switches; You can replace for O3T-BX O3T-A 315/390MHZ remote of overhead door garage openers from 1995-manufacture date to current Compatible Models: this garage door opener remote is compatible with O3T-A, O3T-BX, G3T-BX, G3T-R, G3T-A, G1T-BX, G1T-A, O1T-BX, O1T-A, GITR-3, -1, -2, -3, OCDTR-3, OCDT-1, OCDT-2, OCDT-3; It is also compatible with Intellicode and code dodger Advanced Auto Search Function: the universal garage door opener remote is also renowned for its automatic search function; It can automatically search for 315Mhz and 390Mhz frequencies, ensuring effective application on a of garage door openers; This gives the user peace of mind, knowing the universal remote is adaptable and compatible with their current garage door setup Inclusive Packaging: each purchase comes 3 button door remotes with button batteries that make sure a long service life, ensuring you're always in control; Additionally, the packaging includes a visor clip and a DIY user manual to effortless installation and usage; This feature makes our overhead garage door opener remote an Perfect choice for every homeowner Robust Range and Signal Transmission: the 3 button garage remote is capable of working over 164 feet from the garage door opener; It boasts of strong signal transmission and wide coverage designed to effectively reduce interference from radio waves; This ensures seamless functionality and operation, ensuring you the ability to open your garage door whenever needed The 3 button door garage door opener remote is equipped with 3 buttons, allowing the user to control up to 3 different garage door openers. This offers nice functionality and convenience especially for individuals with multiple garage doors. Thiscleverly designed 3 button door opener remote has dimensions of approximately 2.76 x 1.57 inches. The compact device is the Perfect size to slip into your handbag, wallet, or pocket for quick and easy access, making it Perfect for those with busy . Color: black Size: about 2.76 x 1.57 inches/ 7 x 4 cm Material:Metal Package Contents: 3 x Garage door opener 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.