SPST, action: on - off, actuator: green lens button, 12V AC/DC incandescent, 12A, 125V AC 1/2 HP, 250V AC 1 HP, body: nylon 6.6, contact gap: 3mm (.118), contact material: silver alloy, Note: The light bulb incorporated in this switch must be connected to 12 volts AC or DC and NOT to 125 volts. The 125 volt rating applies to switch contacts, NOT to the light.,