[Soft green wall button]it features plastic black finish with white bar appearance, turn on/off with a satisfying click, and soft green, easy to find in the dark, nifty portable and -friendly<br> [Surface mount switch]only one wall button should be applied on any garage door opener; Note: there are no wires included with the button, easy to install with screws<br> [Specification]the button is between clear and white, seems opaque, dimension of the button and 2 screws part is . 2.8 x 0.71 x 0.71 inches/ 7.2 x 1.8 x 1.8 cm(H x W x D)<br> [Power saving]low voltage hardwired button, makes you experience safety and more like a charm<br> [Compatibility]the universal button suitable with low voltage chime system, good replacement for your old garage door opener switches<br> <br> colour: black<br> Material: plastic<br> <br> Package Contents:<br> 1 x button<br> 2 x Screws<br> <br> Only the above package content, other are not included Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.