by Macally
Buy new:
16 used & new from $22.48
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Review & Description
SM-103W is an add-on wireless indoor siren for SecurityMan Air-Alarm system. Its alarm signal receiving distance is up to 300ft (In open area). The volume of the siren sound is 120dB. Simply plug it into an electric outlet. It is good for 100 to 240VAC. Read more
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