photoelectric smoke and CO alarm

electrochemical CO sensor direct from Wanlin Fire Protection — 12-year factory experience, WL-CO808 fully certified UL 2034/EN 50291/CE/FCC/RoHS/REACH. Key specs: 4G LTE Cat.4 + WiFi 6 + Matter + Thread, Premium Electrochemical Sensor + LCD Display + Voice, AC powered + 72h backup battery + 10-year sensor life. MOQ 100 units, 25-30 working days, OEM/ODM cust···

train station CO detector direct from Wanlin Fire Protection — 12-year factory experience, WL-CO802 fully certified UL 2034/EN 50291/CE/FCC/RoHS/REACH. Key specs: Addressable Loop + 4G LTE Backup, Electrochemical CO Sensor + Addressable Protocol, Loop powered + 24h backup battery. MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Serving ···

digital display CO detector direct from Wanlin Fire Protection — 12-year factory experience, WL-CO801 fully certified UL 2034/EN 50291/CE/FCC/RoHS/REACH. Key specs: WiFi + Bluetooth 5.2, Electrochemical CO Sensor + Digital Display, 3-year replaceable lithium battery (2x CR123A). MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Serving 60···