smoke detector with PIR sensor direct from Wanlin Fire Protection — 12-year factory experience, WL-GA200 4G smart fire protection product certified CE/FCC/RoHS/REACH/ISO9001. Key specs: 4G LTE + Semiconductor Gas Sensor (NG/LPG Dual), 4G LTE + SMS + Push + Phone Call + App + Solenoid Valve Control. No monthly fees, 4G cellular backup, cloud platform, DIY in···
CO Detector with Dry Contact Output China manufacturer. UL 2034 and EN 50291 certified CO alarm with electrochemical sensor, 4G wireless monitoring, 10-year sealed battery, OEM/ODM, wholesale, global shipping to Peru. Contact: wanlinfirecontrol@163.com