NB IoT wireless smoke detector

smoke detector labeling — Wanlin, 12-year Chinese smart fire detector manufacturer, WL-SM602 (LoRaWAN Smart Photoelectric Smoke Detector) certified UL/CE/EN54. Photoelectric + LoRaWAN 15km + Ultra-Low Power + 10-Year Battery. 10-year battery, 4G/NB-IoT/LoRaWAN, OEM/ODM from 500 units, factory direct pricing 50-70% below Western brands.

Wi-Fi smoke detector direct from Wanlin Fire Protection — 12-year factory experience, WL-SM604 fully certified CE/EN14604/FCC/RoHS/REACH. Key specs: LoRaWAN (CN470/EU868/US915/AS923) wireless, 10s alert push via APP/SMS/call, 5-year lithium battery, CE/EN14604/FCC certified. MOQ 200pcs, 20-25 working days, OEM/ODM custom branding available. Serving 60+ coun···