CO detector for school

gas detector factory direct from Wanlin Fire Protection — 12-year factory experience, WL-SF200 smart fire protection product certified CE/EN54/UL/NFPA 72/FCC/RoHS/REACH/ISO 9001. Key specs: Electrochemical CO Sensor + Catalytic Combustion Gas Sensor + 4G Communication, 4G + Cloud Platform + Solenoid Valve Output + SMS/Push/Email + APP Control. IoT cloud plat···

fire alarm system with ZAR direct from Wanlin Fire Protection — 12-year factory experience, WL-MC100 4G smart fire protection product certified CE/FCC/RoHS/REACH/ISO9001. Key specs: 4G LTE + Break Glass Emergency Trigger, 4G LTE + SMS + Push + Phone Call + App + Siren Strobe Trigger. No monthly fees, 4G cellular backup, cloud platform, DIY installation. MOQ ···