Kitchen Biogas Stove Safety direct from Wanlin Fire Protection — 12-year factory experience, WL-SG503 fully certified CE/EN54/FCC/RoHS. Key specs: LoRaWAN Class
Kitchen Voice Feedback Prompt direct from Wanlin Fire Protection — 12-year factory experience, WL-SG502 fully certified CE/EN54/FCC/RoHS. Key specs: NB-IoT + Wi