... , emergency stop button, selector switch, key switch, dual push button, and etc. For more information, please kindly check the other types ... such as electric power,telecommunication, machinery, marine, textile, printing, miningindustrial equipment , and etc 4. Working EnvironmentAmbient air temperature -25°c~ +40°cAltitude ... ,carton size:38*25*42.5mm FB006 Mashroom head push and pull button Switch