1、High Durability: This momentary push button switch has been tested for over 20,000 hours of use and has a useful mechanical life of 1,000,000 cycles. 2、Build In Control Light: The momentary push button switch has an build in control light for easy and safe use, for the safety of the operator and the machine. 3、Industrial Control: The momentary push button switch is widely used in industrial control circuits to control electromagnetic starters, contactors, relays and other circuits. 4、Easy To Carry: This momentary push button switch is very portable, you can carry it around with you at any time when you need it, also very easy to install, just follow the normal process to succeed, friendly to novices. 5、Wide Range Of Application: Our momentary push button switch is widely used in electric power, telecommunication, machine tools, motors, household appliances.