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Professional Monitoring Security
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Factory Direct 10 Year Smoke Alarm: Wanlin WL-PB400 4G/NB-Io···
Factory Direct 10 Year···
2026-06-11
10 year smoke alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-PB400 fully certified CE/FCC/RoHS. Key specs: 4G/NB-IoT wireless, 3s alert push via APP/SMS/Call to 5 contacts, 3-year