A highly versatile range of attractive Waterproof Push Buttons combining unique design, quality and value. These aesthetically appealing, low / high voltage switches are quick and easy to install. StopperPush Models are for applications where momentary push and release activation are desired. StopperLatch Models are for applications where repeat activation must be controlled. Once the switch has been manually activated, it can only be reset by inserting a special key. All models are available in a variety of colors with space for function marking and operating instructions It is advisable to protect your StopperSwitches with an STI Universal Stopper. The Waterproof Push Button series is tested to IP67.