push button has the following detailed description
1)Concave and protruding is of foursquare design
2)Concave part is mirror finished and handled with comfortable sense,
3)Using special fittings, easy for installation
4)Suitable for 2-3mm faceplate
5)Long lifespan and high reliable jiggle switch.
Push Button, elevator parts, push button switch.
Fujitec elevator push button