smoke detector with battery backup

home alarm system with self monitoring 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+ ···

motion sensor for office direct from Wanlin Fire Protection — 12-year factory experience, WL-HS103 certified CE/FCC/RoHS/REACH/ISO9001/NFPA 72. Key specs: 4G + WiFi + AI Video Analytics Smart Hub, 4G + WiFi + Video Stream + Two-Way Audio + Push + SMS. No monthly fees, 4G cellular backup, DIY installation, expandable to 50-100+ sensors. MOQ 100 kits, 20-25 wo···