connected smoke detector

LoRa long range smoke detector direct from Wanlin Fire Protection — 12-year factory experience, WL-SM603 fully certified CE/EN14604/FCC/RoHS/REACH. Key specs: 4G LTE + RF 433MHz Mesh wireless, 10s alert push via APP/SMS/call, 3-year CR123A lithium battery, CE/EN14604/FCC certified. MOQ 200pcs, 20-25 working days, OEM/ODM custom branding available. Serving 60···

Source Smoke and CO Composite Detector directly from Wanlin Fire, a leading Chinese manufacturer of LoRa Wireless Smoke Detector. Product highlights: LoRaWAN protocol, 2-5km urban range, 500+ devices