Audible Indicator: Type - Single Tone Signal; Mode of Operation - Continuous Tone; Sound Level Category - Medium Sound Level; Voltage - 16-28 VDC; Mounting Type - Panel Mount; Loudness - 75-85 dB @ 2 Ft; Current - 40mA; Frequency - 3300 Hz; Material - Nylon; Color - Black; Temperature Rating - -30 to 50 deg C; Size - 1.20 in Dia. x 1.70 in Length 30.7x43.4mm; Additional Information - NEMA 3R, 4X, 12, IP66; Manufacturer Series - ZA