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 NYLON UL-94 V-0 (BLACK) and it has Tin-Plated Tapped Screw type terminal.
Sound Level 80dB Tone Type Continuous Diameter 42.5mm Height 32.5mm
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