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Smoke Detector For Elderly direct from Wanlin Fire Protection — 12-year factory experience, SOS Emergency Button for Seniors (WL-PB400) certified CE/FCC/RoHS. Key specs: 4G/NB-IoT wireless, Wearable necklace/wristband, GPS location, 5-year lithium. MOQ 200pcs, OEM/ODM available.

Rohs Compliant Water Sensor direct de Wanlin Fire Protection - 12 ans d'expérience en usine, Bouton d"urgence SOS pour les aïens (WL - PB400) certifié CE / FCC / RoHS. Spécifications clés: 4G/NB-IoT sans fil, collier portable/bracelet, localisation GPS, lithium de 5 ans.