EASY AND EASY OPERATION: The multifunctional garage door opener control panel replaces the standard garage door control buttons, providing a simple and user-friendly experience. Compatibility and Convenience: This control panel is compatible with green, red and purple learn button Liftmaster openers, making it very convenient to use in low light conditions. Lock button keeps your portable remote safe. Garage Light Control: Light buttons provide easy control of your garage light, allowing you to turn it on or off at your convenience. Easy to install: First, pass the wires through the holes of the back cover, then use the included screws to fix the back cover to the wall studs (do not overtighten). Finally, connect the bell wires to the terminals and snap the circuit board onto the back cover. Broad Compatibility: Compatible with various models, including Green Learning Button (Billion Code, 390MHZ), Red/Orange/Amber Learning Button (Security+, 390MHZ) and Purple Learning Button (Security+, 315MHZ). Colour:black Material:plastic 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.