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Sense door/window open and closed
Two components stand in line. With a detection range of up to 16.4 ft (5m), 90° horizontally, and 55° vertically. The magnet part needs to be aligned with the bottom of its main body, and the distance between the two components should be less than 1.2 inches (30mm).
*The data above is obtained from lab experiments conducted under 77°F (25°C)
Inform 24/7 Notification to Your Phone
Connected to SwitchBot Hub Mini, SwitchBot Contact Sensor pushes notifications to your phone when someone enters your home, when the window is open, or when your pet leaves the cage. With Contact Sensor on the door or window, your home security is taken care of by this watchful gadget and alerts will reach you in seconds even when you are far away.
Voice alarm from Alexa
SwitchBot Motion Sensor works perfectly with your smart home appliances as a security partner. Connected to SwitchBot Hub Mini, Alexa will alert you when a burglar is entering your home. If a suspicious person enters the house, Alexa will start an alarming voice to scare off the burglar.
With a built-in motion sensor, SwitchBot Contact Sensor can tell whether the user is leaving or entering the home when attached to the internal face of the door. Your smart home will conduct all scenes that you pre-set via the SwitchBot app as per both conditions automatically.
*Hub Mini required
When the door is opened and you are sensed, you'll be determined as leaving home. Your light/AC/TV will be off automatically after you are away.
When the door is opened and nobody is sensed, you'll be determined as entering the home. Your light/AC/TV will be on automatically when you are home.