gas detector with digital display

smart home security smoke alarm — Wanlin, 12-year Chinese smart fire detector manufacturer, WL-CO800 (4G Smart Carbon Monoxide Detector) certified UL/CE/EN54. Electrochemical CO Sensor + 4G LTE + IoT Cloud + LCD Display + 10-Year Battery. 10-year battery, 4G/NB-IoT/LoRaWAN, OEM/ODM from 500 units, factory direct pricing 50-70% below Western brands.

mobile home gas detector direct from Wanlin Fire Protection — 12-year factory experience, WL-GA202 4G gas detector certified CE/EN50194/UL2075/FCC. Key specs: Catalytic Gas Sensor + Photoelectric Smoke Sensor + 4G Cat.1 Dual-Channel Communication, 4G LTE Cat.1 + Cloud Platform + Dual Alarm Channel (Gas + Smoke) + SMS/Push/Email + Valve Control. Catalytic/in···