The Deca LAED-2R is a 24V AC/DC, red 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-2R A20 Series 24V Red Replacement LED