smoke detector with voice alert

smoke detector with voice alert — Wanlin Fire, Chinese carbon monoxide detector manufacturer and exporter by Wanlin Fire Technology. WL-CO-500 smart CO detector with electrochemical sensor, 4G LTE and NB-IoT dual-mode connectivity, 10-year sealed lithium battery, 85dB sounder, digital display with peak level memory, app/SMS/push alerts, remote cloud monitori···

smoke detector with environmental compensation direct from Wanlin Fire Protection — 12-year factory experience, WL-FACP-4G 4G smart fire protection product certified CE/FCC/RoHS/REACH/ISO9001. Key specs: 4G LTE + WiFi + RS485 + Addressable Loop (256 Devices), 4G LTE + WiFi + Ethernet + RS485 + SMS + Push + Phone Call + App + Cloud Platform. No monthly fees, ···