Photo 1 of ANTELA Smart Door Sensor WiFi Windows Contact Sensor Compatible with Amazon Alexa, No Hub Required, Programmable with Smart Life APP Home House Shop Business with Motion Detectors factory sealed

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Photo 1 of ANTELA Smart Door Sensor WiFi Windows Contact Sensor Compatible with Amazon Alexa, No Hub Required, Programmable with Smart Life APP Home House Shop Business with Motion Detectors factory sealed Photo 2 of ANTELA Smart Door Sensor WiFi Windows Contact Sensor Compatible with Amazon Alexa, No Hub Required, Programmable with Smart Life APP Home House Shop Business with Motion Detectors factory sealed