Nextech Smart Wi-Fi Door or Window Sensor

No more wondering if you left your door or windows open. With the Smart Door/Window Sensor lets you check on them from anywhere with your phone. It also sends an alert to you whenever a door or window is opened or when someone tampers with the Sensor. Perfect for knowing straightaway when any of your home's entry points have been compromised.

Product Specifications

• Transmission frequency : 2.40GHz
• Transmission range : 50.0m
• Length : 70.0mm
• Width : 20.0mm
• Height : 20.0mm
• Battery used for : Main Product
• Size / Shape : AAA
• Type : Alkaline
• Battery quantity : 2.0pc
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