Rated Voltage: DC12V, DC24V(preferred) Button movement: 0.25-0.8mm Max button movement: 1.5mm Button contacts: 1 normally ope Features Face plate of button: stainless steel, pressed plate made of stainless steel by stamping (: plane, convex, concave ) and translucent filling resin (optional with Braille), lighting colors selectableInstallation: screw-thread fixing, suitable for mounting on the ...