Buzzers Luminous buzzer 230V AD22-22MRR230 5 reviews €4.78 (€3.95 tax excl.) Buzzer light, sound indicator light, 22mm series, for a working voltage of 220-230Vac. The color of the buzzer light indication is red via multiled.Reference: AD22-22MRSRepresentative image for illustrative purposes, the item supplied will correspond to the specifications indicated. Add to cart