Audible Indicators: Type - Single Tone Signal; Mode of Operation - Continuous Tone; Sound Level Category - Low Sound Level; Voltage - 12 VAC; Mounting Type - Screw Neck Panel Mount; Loudness - 74-93 dB @ 3.3 Ft; Frequency - 60 Hz; Color - Black; Temperature Rating - -45 to 110 deg C; Terminal Type - Solder Terminals; Terminal Size - #6-32 Screw 0.187x0.020"; Size - 0.88"Length (22.35mm); Manufacturer Series - Sonalert