smoke detector with energy harvesting

fire alarm system with gRPC direct from Wanlin Fire Protection — 12-year factory experience, WL-SS100 4G smart fire protection product certified CE/FCC/RoHS/REACH/ISO9001. Key specs: 4G LTE + High-Power Siren + LED Strobe Light, 4G LTE Trigger + Local 110dB Siren + Visual Strobe + App Control. No monthly fees, 4G cellular backup, cloud platform, DIY installa···

fire alarm maintenance direct from Wanlin Fire Protection — 12-year factory experience, WL-CO800 4G smart fire protection product certified CE/FCC/RoHS/REACH/ISO9001. Key specs: 4G LTE + Electrochemical CO Sensor, 4G LTE + SMS + Push + Phone Call + App + Voice Alert. No monthly fees, 4G cellular backup, cloud platform, DIY installation. MOQ 100 units, 20-25 ···