door and window sensors

security system transformation direct from Wanlin Fire Protection — 12-year factory experience, WL-HK605 fully certified CE/EN14604/FCC/RoHS/REACH. Key specs: WiFi + RF 433MHz Mesh + 4G LTE Backup, AI multi-sensor fusion, 4G+WiFi dual-path, Hub: AC + 12h backup; Detectors: 10-year sealed; Sensors: 2-year battery. MOQ 100 kits, 25-30 working days, OEM/ODM cus···