Intelligent Sounder Base, 6 7/8" Diameter, Tone Selection Via Onboard Jumper, Mechanical Locking Feature, Used with FSP Detectors

Mounting Base, 6.1" Diameter, 24-12 AWG Wire Gauge, 10-93% rh Non Condensing Humidity Range

Mounting Base, 6.1" Diameter, 24-12 AWG Wire Gauge, 10-93% rh Non Condensing Humidity Range, Bulk Pack