Usage Tips: The wall button features a soft green light. The shell is made of black plastic with a white center strip. It can be turned on or off with a single tap and emits a soft green illumination. The light makes it easy to locate in the dark, providing convenience for operating the garage door. Compatibility: This wall-mounted garage door opener switch is compatible with Liftmaster 75LM remote controls and serves as a replacement for existing garage door opener switches. Installation: Separate the two wires from the garage door opener, connect them to the terminals on the internal circuit board, then mount the button to the wall using screws. Once installed, pressing the button will activate the soft green light. Note: Wires are not included with the push button. Size: 7.2 x 1.8 x 1.8 cm Material: Plastic Color: Black Package Contents: Option 1: 4 x Wired garage door opener buttons, 8 x Screws Option 2: 2 x Wired garage door opener buttons, 4 x Screws The package includes only the items listed above; other products are not included. Note: Lighting and display differences may cause slight variations between the color of the item in the image and the actual product. Measurement error is +/- 1-3 cm.