water leak detector with 4G

smoke detector with NB-IoT direct from Wanlin Fire Protection — 12-year factory experience, WL-HS100 certified CE/FCC/RoHS/REACH/ISO9001/NFPA 72. Key specs: 4G LTE + WiFi Dual Communication, Hub-Based Wireless Architecture, 4G LTE + WiFi + SMS + Push Notification + Phone Call. No monthly fees, 4G cellular backup, DIY installation, expandable to 50-100+ senso···

home security system with Zigbee direct from Wanlin Fire Protection — 12-year factory experience, WL-HS107 certified CE/FCC/RoHS/REACH/ISO9001/NFPA 72. Key specs: 4G LTE + WiFi + Solar Option + Remote Management, 4G LTE Primary + WiFi Backup + SMS + Push + Phone Call + Email. No monthly fees, 4G cellular backup, DIY installation, expandable to 50-100+ sensor···