Alarm Controls PA-100 Series - Piezo Buzzer 3/4" Hole Single Gang, 85dB, 3-24VDC, Fits RP-23Piezo buzzer can be mounted in 3/4" hole on a single gang wall plate.FeaturesStandard Features Sound level 90 dB Continuous tone Buzzer flange mounts in 3/4" hole on single gang wall plateOptions Available pre-mounted on a narrow stile (TS-34N) or standard single gang wall plate (TS-34) Wall plates available for selfmounting: slimline (RP-23SLIMLINE), narrow stile (TS-34NPO), or standard single gang (RP-23) SpecificationsDimensions Required mounting hole: 3/4 Electrical Operates on 3 - 24 VDC 6 red and black leadsResources:Alarm Controls Product Catalog