... :aluminum protection IP67 push button switch,foot switch.floor push,foot pedal,foot pedal swich,stomp foot switch,footswitch,pedal switch,china pedal switchLTH- ... and installation conditions1, surrounding air temperature does not exceed + 40 °C, lower limit for - 5 °C;2, installation ... air temperature + 40 °C when does not exceed 50%,in the ambient4, pollution levels of switch prescribed for pollution ...