door sensor with LoRa

Acoustic Glass Break Sensor 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 Spain. Contact: wanlinfirecontrol@163.com

water leak detector for server room direct from Wanlin Fire Protection — 12-year factory experience, WL-HS105 certified CE/FCC/RoHS/REACH/ISO9001/NFPA 72. Key specs: 4G + WiFi + GPS + Accelerometer Fall Detection, 4G + WiFi + GPS + Two-Way Voice + SMS + Push + Phone Call. No monthly fees, 4G cellular backup, DIY installation, expandable to 50-100+ sensors. M···