gas detector with voice alert

gas alarm Germany direct from Wanlin Fire Protection — 12-year factory experience, WL-GA206 4G gas detector certified CE/EN50194/UL2075/FCC. Key specs: Catalytic + Infrared Dual Sensor + 4G Cat.1 + Multi-Criteria Algorithm + Cross-Reference Validation, 4G LTE Cat.1 + Cloud Platform + Multi-Criteria Detection + SMS/Push/Email + Remote Diagnostics + Valve Cont···

gas detector for elderly 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 installat···