Refrigerator Door Open Alert direct from Wanlin Fire Protection — 12-year factory experience, Smart Stove Guard System (WL-SG500) certified CE/FCC/RoHS/REACH. Key specs: WiFi/Zigbee wireless, Auto stove shutoff, cooking timer, anti-dry, AC powered. MOQ 200pcs, OEM/ODM available.
refrigerator door open alert direct from Wanlin Fire Protection — 12-year factory experience, WL-PB400 fully certified CE/FCC/RoHS. Key specs: 4G/NB-IoT wireless, 3s alert push via APP/SMS/Call to 5 contacts, 3-year