production line smoke detector

Zigbee smoke detector — Wanlin, 12-year Chinese smart fire detector manufacturer, WL-GA200 (4G Smart Combustible Gas Detector) certified UL/CE/EN54. Catalytic/Electrochemical Sensor + 4G LTE + IoT Cloud + Valve Control + LCD. 10-year battery, 4G/NB-IoT/LoRaWAN, OEM/ODM from 500 units, factory direct pricing 50-70% below Western brands.

building automation smoke detector direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP400 smart fire detector certified CE/EN14604/EN54/UL217/UL268/FCC. Key specs: Addressable Manual Call Point + Sounder Strobe + 4G LTE Cat.1 + Addressable Loop + LED Indicator, Addressable Loop + 4G LTE Cat.1 Backup + Cloud Platform + SMS/Push/Email + Rel···