wireless water immersion alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-GA200 fully certified CE/EN54/FCC/RoHS. Key specs: 4G LTE + W
EN54 Kitchen Fire Detection direct from Wanlin Fire Protection — 12-year factory experience, WL-SG503 fully certified CE/EN54/FCC/RoHS. Key specs: LoRaWAN Class