wireless gas alarm installation

nine-small venues gas alarm testing direct from Wanlin Fire Protection — 12-year factory experience, WL-GA201 fully certified CE/EN54/FCC/RoHS. Key specs: 4G LTE Cat.1, No WiFi required — direct 4G cloud connection for areas without network infrastructure. MOQ 100 sets, 20-25 working days, OEM/ODM custom branding available. Serving 60+ countries across South···

restaurant gas alarm user manual direct from Wanlin Fire Protection — 12-year factory experience, WL-GA203 fully certified CE/EN54/FCC/RoHS. Key specs: 4G LTE + RS485 Modbus, Explosion-proof Ex d IIB T6 housing for industrial gas monitoring with 16-channel expansion. MOQ 100 sets, 20-25 working days, OEM/ODM custom branding available. Serving 60+ countries a···