The metal push button switch is an anti-vandal sealed switch that offers the industry standard ring or power illuminated version in 22mm diameter.The push button switch use a scratch resistant actuator and housings are made of robust stainless steel particularly suitable for use in equipment subjected to harsh conditions or applications that require protection from vandalism.The 22mm push button meet the seal protection and impact resistance rating of IP67 and IK08 that design to withstand the possible extreme outdoor environmental and may subject to abuse.Also,the push button switch comes with a variety of LED color color as illuminated push button and various of indicators on the actuator that meet your application needs.It’s widely use in control panels including car park and traffic light,industrial instruments,life escalator,communication equipment,alarm,safety and security systems.