replacement sensors

4G Gas Alarm China China manufacturer. 4G gas detector with catalytic combustion sensor (LEL), auto shut-off valve, 4G Cat.1 cellular alarm, cloud platform monitoring. EN50194 & UL2075 certified. OEM/ODM, wholesale, global shipping to Canada. Contact: wanlinfirecontrol@163.com

gas detector with magnetic mount direct from Wanlin Fire Protection — 12-year factory experience, WL-GA203 4G gas detector certified CE/EN50194/UL2075/FCC. Key specs: Electrochemical CO Sensor + Catalytic Gas Sensor + 4G Cat.1 Communication, 4G LTE Cat.1 + Cloud Platform + Dual Alarm (Gas + CO) + SMS/Push/Email + Valve Control. Catalytic/infrared sensor, so···

Wireless Security System Wholesale by Wanlin Fire Control — all-in-one AI home security and fire alarm system. CE/FCC/EN 14604 certified, 4G cellular + Wi-Fi dual-path. Factory-direct pricing with OEM/ODM, global shipping. Contact for bulk quotation.

Comprehensive Security Package by Wanlin Fire Control — all-in-one AI home security and fire alarm system. CE/FCC/EN 14604 certified, 4G cellular + Wi-Fi dual-path. Factory-direct pricing with OEM/ODM, global shipping. Contact for bulk quotation.

Comprehensive Security Package by Wanlin Fire Control — all-in-one AI home security and fire alarm system. CE/FCC/EN 14604 certified, 4G cellular + Wi-Fi dual-path. Factory-direct pricing with OEM/ODM, global shipping. Contact for bulk quotation.