1, with a dome indicator. 
2, the switch cam is fixed with a spring, so no other tools can easily adjust the cam switch position. 
3, the terminal box has eight standard terminals. 
4, the terminal has a solenoid valve terminal. 
5, with 2 3/4 "power interface, according to the scene to facilitate the wiring. 
6, can easily change the direction of the transparent dome indicator window. 
7, with any ISO5211 produced by the cylinder.