Ring Contact Sensor Alarm Home Security System Add-on Window Door 2nd Gen 1 Pack
$18.00
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SwitchBot Door Alarm Contact Sensor - Smart Home Security Wireless Window Ala...
$22.99
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About this item
When windows are opened, the SwitchBot Bot will be triggered to turn off the Air purifier automatically. (SwitchBot Hub required). (SwitchBot Hub Mini required). [Remote Alert Notification & Voice Alarm from Alexa] You will receive a door-open alert notification on your phone if a suspicious person enters the house while you are away (SwitchBot Hub required).
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