This is a round, black, On/Off/On rocker switch with 3 positions and a 20mm panel cut-out. It is suitable for automotive and many other applications. The switch features SPDT contacts, snap-in mounting, and silver-plated brass terminals. Technical specifications include a panel cut-out diameter of 20mm, a rating of 6A 250VAC / 10A 125VAC, a height of 30mm, a diameter of 22.5mm, and an operating temperature range of -25°C to +85°C.