The Deca LAED-1W is a 12V AC/DC, white replacement LED bulb for the A20 series illuminated push buttons. Has a 9 mm bayonet socket. Dimensions: 24.5 mm Length x 10 mm Diameter (0.96" x 0.39"). Sold individually.
Deca LAED-1W A20 Series 12V White Replacement LED