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คะแนน
Brand Fuji Electric Item Audible alarm buzzer Buzzer Type Electronic sound Loudness Decibel 90 dB at 0.1m, 70 dB at 1m Tone Frequency 2.4kHz to 3.3kHz Tone Type Intermittent / continuous Touch to Silence No Voltage Rating 100 to 110 VAC Indicator Permanent LED LED Color Red Mounting 22.5mm panel IP Rating IP00
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