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JD-SR21 wired fire alarm sound and light alarm

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The main parameters

Operating voltage: DO 12V-24V

Working current: 75-95mA

Alarm loudness: 105dB

Alarm sound: three kinds

Flash intensity: one 12WS

Flash cycle: < 1.58

Flash specification: LED

Flash life: 40000 times

Optional model

JD-SR21

Cable fire acoustooptic alarm

 

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