Product Name: Push Button Switch Oeperation Type: Latching Light Voltage: no light include Contact Type: NO Material: Plastic & Metal Package Content: 20 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.Button momentary when pressed, automatic reset 2.Used widely to control the electromagnetic starter, contactor, relay and other automatic control electric circuits. 3.100% brand new and , good replacement for your old or broken ones.