door sensor with Zigbee

PIR Sensor with APP China manufacturer. AI home security and fire alarm bundle with CE UL RoHS FCC. 4G wireless, smart home integrated. OEM/ODM, wholesale, global shipping to Czech Republic. Contact: wanlinfirecontrol@163.com

video doorbell with real time alerts 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-···