gas alarm with shut off valve

machine shop gas sensor direct from Wanlin Fire Protection — 12-year factory experience, WL-GA201 4G gas detector certified CE/EN50194/UL2075/FCC. Key specs: Semiconductor Gas Sensor + NB-IoT Cellular Communication + Ultra-Low Power Design, NB-IoT + Cloud Platform + SMS/Push/Email Alerts + Low-Power Wide Area + Remote Valve Control. Catalytic/infrared senso···

Portable Gas Leak Detector manufactured by Wanlin Fire Control — certified gas safety solutions with CE, FCC, and RoHS approvals. Factory-direct pricing, OEM/ODM customization, and global shipping available. Contact us for competitive quotation and fast delivery.