[Soft Green Wall Button] - The shell is made of black plastic, with a white center strip. It can be turned on/off with a single press and it glows soft green. Whether white or green, it's easy to find in the dark, providing a way to open and close the garage. [Compatibility] - This wall-mounted garage door opener is a great substitute for your garage door opener and is compatible with the 75LM remote control. [Easy Installation] - First, separate the two wires of 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 button Size: 5.43x4.09x0.87inch 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 shooting and different displays may cause the color of the item in the picture to be a little different from the real thing. The allowed measurement error is +/- 1-3cm.