smoke detector for apartment

WANLIN-309 4G smoke detector Platform-Connected Photoelectric Smoke Detector with MQTT and API Integration export OEM ODM wholesale

water leak detector for laundry room direct from Wanlin Fire Protection — 12-year factory experience, WL-HS104 certified CE/FCC/RoHS/REACH/ISO9001/NFPA 72. Key specs: 4G + WiFi + Zigbee + Motorized Valve Control, 4G + WiFi + Zigbee + SMS + Push + Phone Call + Voice. No monthly fees, 4G cellular backup, DIY installation, expandable to 50-100+ sensors. MOQ 100···