1、Self Resetting: This button switch has self resetting function, which automatically returns to the initial state after pressing the button, making it convenient and fast. 2、22mm Mounting Hole: This push button switch has 22mm mounting hole size, making it easy and convenient to install on various devices, suitable for more scenarios. 3、Aluminum Alloy: The start stop switch is made of excellent aluminum alloy material, which has good durability and high stability, and can operate for a long time. 4、Safe Operation: The voltage of the self resetting push button switch is AC240V, and the rated insulation voltage is 440V, ensuring safe and reliable operation. 5、10 Pieces in 1 Set: Including 10pcs self resetting button switches, flat head design, compact and lightweight, easy to install, convenient for use and replacement at any time.