Wall Switch for 75LM 41A4166 371LM 971LM 81LM Liftmaster/Chamberlain/Sears Garage Door Bell Garage Door Opener [Soft green lighted wall button]it features plastic black finish with white center bar appearance, turn on/off with a satisfying click, and light up soft green, easy to find in the dark, nifty portable and user-friendly [Surface mount switch]only one lighted wall button should be applied on any garage door opener; Note: there are no wires included with the push button, easy to install with screws [Specification]the button is between clear and white, seems opaque, dimension of the button and 2 screws part is approx. 2.8 x 0.71 x 0.71 inches/ 7.2 x 1.8 x 1.8 cm(H x W x D) [Power saving]low voltage hardwired push button, makes you experience safety and more assured like a charm [Compatibility]the wall mounted push button suitable with low voltage chime system, good replacement for your old garage door opener switches colour: black Material: plastic Note: This product is suitable for 75LM 41A4166 371LM 971LM 81LM Liftmaster/Chamberlain/Sears Garage Door, please be sure to confirm the model when placing an order, otherwise the product will not work! Package Contents: 1 x Lighted wall mounted push button 2 x Screws Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.