The RS PRO Piezo Buzzer audio Indicator has Operating temperature range of -30°C to +85°C and voltage range of 6V ac/ dc to 28V ac/dc. The material used for buzzer is ABS UL-94 1/16 HB HIGH HEAT (BLACK) and it has pin type terminal.
Sound Level 74dB Tone Type Fast Pulse Diameter 42.5mm Height 33mm