[Compatibility]-This wall-mounted garage door bell 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, connect the two wires to the terminals of the internal circuit board, and then install the button switch to the wall with screws. After finishing, the button to display a soft green light. [Soft green lighted 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 lights up in soft green. Whether it is white or green, it is easy to find in the dark, which provides convenience for opening and closing the garage. Note: there are no wires included with the push button, Weight: 0.0771617917 pounds, Manufacturer: puhae