The GP01 series was designed to respond to a wide variety of customer needs. By integrating the button with the switch, reflow can be realized while the button is installed. The GP01 series mounting area on the board is reduced by utilizing J-leads. The realization of terminal flatness of less than 0.1, reducing possible malfunctions caused by faulty soldering. The GP01 series greaseless construction enables use in a wide range of temperatures.