security system old home

security system convenient direct from Wanlin Fire Protection — 12-year factory experience, WL-HK607 fully certified CE/EN14604/FCC/RoHS/REACH. Key specs: 4G LTE Cat.4 + WiFi 6 + Zigbee 3.0 + Z-Wave + Bluetooth 5.2 + LoRaWAN, AI multi-sensor fusion, 4G+WiFi dual-path, Hub: AC + 72h backup; All battery devices: 3-10 year. MOQ 100 kits, 25-30 working days, OE···