Audible Indicator: Type - Single Tone Signal; Mode of Operation - Continuous Tone; Voltage - 5 VDC; Mounting Type - Surface Mount; Loudness - 88 dB; Current - 30mA; Frequency - 2400 Hz; Material - PPS; Temperature Rating - -40 to 85 deg C; Size - 0.50 in Length x 0.50 in Width x 0.27 in Hieght 12.8x12.8x7.10mm