self test smoke alarm

conventional connection direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP800 smart fire detector certified CE/EN14604/EN54/UL217/UL268/FCC. Key specs: Photoelectric Smoke Sensing + RF Wireless Interconnect (433MHz/868MHz) + Mesh Network + Self-Healing Topology, RF Wireless Mesh + 4G LTE Cat.1 Gateway + Cloud Platform + SMS/Push/Email +···

85 dB smoke alarm 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+ countri···