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Stalwall D21 Smart Wireless WiFi Magnetic Door Window Sensor

The smart sensor always keeps you aware of the opening/closing of your windows and doors to avoid further loss. It is also a practical device for building a smart home.
√ High sensitivity & real-time notification
√ Smart linkage with home appliances via WiFi
√ Compatibility with Google Assistant, Amazon Alexa, etc.
√ Easy setup
√ Demolition alarm
√ 8-month long battery life View More View Less

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