[Compatibility]-This wall-mounted garage door door opener is a good substitute for your garage door opener switch and is compatible with 75LM remote control. [Easy Installation]-First, separate the two wires of the garage door, the two wires to the terminals of the internal circuit board, and then install the button switch to the wall with screws. After finishing, press the button to display a green light. [ green wall button]-The shell is made of black plastic, with a white center strip appearance. It can be turned on/off with a single tap, and it up in green. Whether it is white or green, it is easy to find in the dark, which provides for opening and closing the garage. Note: there are no wires included with the button, Weight: 0.07605948039 pounds, Manufacturer: Graootoly