CO alarm for mechanical room

drill free CO alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-CO803 fully certified UL 2034/EN 50291/CE/FCC/RoHS/REACH. Key specs: NB-IoT (LTE Cat-NB1), Electrochemical CO Sensor (Ultra-Low Power), 10-year sealed lithium battery (non-replaceable). MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Serving 60+ cou···

CO alarm for tenant 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 custom br···