kitchen coal gas alarm

household gas alarm installation position 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+ c···