Door & Window Sensor G2 - Hub Required

Description: Voice ControlDetect whether doors and windows are closed via voice commands with Alexa, Google Assistant, SmartThings. Hub RequiredPaired with compatible smart hubs like Sengled Smart Hub or 3rd-party hubs like Echo. Hub sold separately. Zigbee SupportsAdd up to 64 sensors or devices with one hub. Connect via Ethernet, not limited by Wi-Fi. Strong signal and stability. Real-Time AlertsTrigger other devices, receive real-time alerts. Simple setup, battery-operated. Control and customize through Sengled Home App. Easy to InstallFollow in-app guide, peel adhesive backing, and stick to any door or window frame. Quick and hassle-free installation. Long-LastingUp to 6 years of continuous operation with CR2 battery. Dependable and worry-free.