🔍 Ringer Buzzer (27mm DISC) RINGER/BUZZER Categories: RINGER BUZZER, BUZZER, ELECTRONIC Description Description MN70352 Size : 27mm DISC Input : 30v pp Output : 85db min. Resonant Frequency : 2.1KHz Related products Tact Switch (6.0×6.0) Tact Switch (12×12) Tact Switch (6.0×6.0) EDD Shield