gas detector for school

fire alarm system with ticket system 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, ···

Gas Detector with Bluetooth China manufacturer. AI home security and fire alarm bundle with CE UL RoHS FCC. 4G wireless, smart home integrated. OEM/ODM, wholesale, global shipping to Hungary. Contact: wanlinfirecontrol@163.com