Product Name: Push Button Switch Oeperation Type: Momentary Light Voltage: no light include Contact Type: NO Material: Plastic & Metal Package Content: 5 x Push button Switch Mounting Hole Dia.: 10mm / 0.3" Green Button Diameter: 7.8mm/0.3" Terminals Quantity: 2 Rated voltage: 125V/2A Toltal Size: 32x13.4mm 1.NO contact type, green round head, momentary action, 10mm panel cutout diameter. 2.Button momentary when pressed, automatic reset 3.Used widely to control the electromagnetic starter, contactor, relay and other automatic control electric circuits. 4.100% brand new and , good replacement for your old or broken ones.