This ultra bright red LED panel indicator comes in a screw mounting E5.5 case that has a recessed internal reflector. Operating voltage is 15 to 18V AC and the viewing angle is 50°. * Integrated protection diode and series resistor * Base E5.5 * Dimensions (ø x L) 5.6 x 16mm * Life time 50,000 hours https://elecena.pl/product/27724330/signal-construct-mede5503-5-8mm-red-led-indicator-15-18vac-lamp-e5-5 2025-01-20 https://elecena.pl/product/27724330/signal-construct-mede5503-5-8mm-red-led-indicator-15-18vac-lamp-e5-5 2025-08-01 https://elecena.pl/product/27724330/signal-construct-mede5503-5-8mm-red-led-indicator-15-18vac-lamp-e5-5 2026-06-10 https://elecena.pl/product/27724330/signal-construct-mede5503-5-8mm-red-led-indicator-15-18vac-lamp-e5-5 2026-07-03