NB IoT smoke alarm factory

perfluorohexanone system OEM direct from Wanlin Fire Protection — 12-year factory experience, WL-SF200 smart fire protection product certified CE/EN54/UL/NFPA 72/FCC/RoHS/REACH/ISO 9001. Key specs: Electrochemical CO Sensor + Catalytic Combustion Gas Sensor + 4G Communication, 4G + Cloud Platform + Solenoid Valve Output + SMS/Push/Email + APP Control. IoT c···

smart smoke alarm distributor direct from Wanlin Fire Protection — 12-year factory experience, WL-SM607 fully certified CE/EN14604/FCC/RoHS/REACH. Key specs: 4G LTE Cat.4 + WiFi 6 wireless, 10s alert push via APP/SMS/call, 10-year sealed lithium battery, CE/EN14604/FCC certified. MOQ 200pcs, 20-25 working days, OEM/ODM custom branding available. Serving 60+···