video doorbell with phone call alerts

shock sensor for door 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+ sensors. ···

home security system with siren 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, ···