Tianjin Wireless Fire Alarm Systems | Wanlin Fire · Practical Product and Application Information
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expandable system up to 32 devices 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
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