CO detector for school

smoke detector with act direct from Wanlin Fire Protection — 12-year factory experience, WL-HD900 4G smart fire protection product certified CE/FCC/RoHS/REACH/ISO9001. Key specs: 4G LTE + Thermistor Fixed Temperature & Rate-of-Rise, 4G LTE + SMS + Push + Phone Call + App Alert. No monthly fees, 4G cellular backup, cloud platform, DIY installation. MOQ 100 u···

CO detector with wearable alert direct from Wanlin Fire Protection — 12-year factory experience, WL-CO807 fully certified UL 2034/EN 50291/CE/FCC/RoHS/REACH. Key specs: Bluetooth 5.0 + 4G LTE (optional), Electrochemical CO Sensor + Compact Design, 2-year replaceable battery (1x CR123A). MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. S···