[Soft Green Illuminated Wall Button]-The shell is made of black plastic, with a white center band appearance. It can be turned on/off with a single press, and it illuminates in soft green. Whether white or green, it's easy to find in the dark, providing convenience for opening and closing the garage. [Compatibility]-This wall-mounted garage door opener is a great replacement for your garage door opener button and is compatible with Liftmaster 75LM remote control. [Easy Installation]-First, separate the two wires to the garage door, connect the two wires to the terminals on the internal circuit board, and then install the button switch on the wall with screws. Once done, press the button to display a soft green light. Note: there are no wires with the push button size: 5.43x4.09x0.87 inches Material: plastic Color: Black Package Contents: 2 x Wired Garage Door Opener Buttons 4 x Screws Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real one. The allowed measurement error is +/- 1-3 cm.