The Deca LAED-24S is a 6V AC/DC, blue 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-6S A20 Series 6V Blue Replacement LED