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Tessan Smart Window Contact Sensor

Special Price $17.99 Regular Price $20.99
  • Smart Security Sensor: TESSAN door and window alarm sensor is designed to monitor the open or close status of any entrance; An alert notification will automatically send to you in 10 seconds once the sensor is triggered; Ideal for the front door, window, baby room, garage and more; Door status and battery power can be check in-app; No hub required; No extra cost; A must-have security system accessories
  • Programmable Sensor: Extend your smart home automation with TESSAN wifi door sensor; Set up your smart routines in the app; Automatically turn on your smart wall switches or lights when the door is opened; Automatically turn off you're air-conditioning when the window is opened; More smart devices can be sync as long as they compatible with Smart Life app; Support 2.4Ghz Wifi only, dual-band (2.4G and 5G) WiFf need to set a separate 2.4G channel
  • Hand-Free Voice Control: TESSAN wifi garage sensor is compatible with Amazon Alexa and Google Assistant; Simply give a voice command to check the open or close status instead of going down or picking up your phone; Your voice device will work as a chime, siren, or alarm when the sensor triggered; Saving your operation time and make your smart home life more convenient and easier
  • Peace of Mind: All alarm record history can be checked in-app; The smart window sensor is a built-in low consumption module, 2*AAA Alkaline battery provides 1-year monitoring; All the statuses of doors and windows will be displayed simultaneously in the app; Share the device to your families, they can check the status and get notified at the same time
  • Note: The door sensor itself does not include a chime; However, you can program it to some smart voice devices via the Smart Life app; When the sensor is triggered open or close, the voice devices will perform as an alarm or bell in 10 seconds

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Arrives by 09/27 - 30 If you order today


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09/27 - 30


Free Shipping On Orders US$30+, Shipped From US, 3~5 Business Days For Standard Delivery.

TESSAN Smart WIFI Door & Window Sensor

Versatile Smart Device

TESSAN security contact sensor provides full-time monitor. Know the status of any gateways from everywhere. Custom program on free app, set up your home automation has never been easier.

Quick Installation

Quick Installation

  • Slide to open the back cover of main sensor.
  • Take out the insulation sheet.
  • Press the reset button, link to app with 2.4Ghz Wifi.
  • Stick or screw on the door or window.

TESSAN plug splitter with USB port is very useful for your household appliances at home or office. Outlet splitter can be used in any indoor place with socket, especially for the bedroom, bathroom, college dorm room and hotel

Close Sensing

Close Sensing

TESSAN contact sensor provides 0.4in/10mm sense to avoid error sensing. When install the sensor, make sure both sensors are less than 0.4 in away.

Long Battery Life

Long Battery Life

TESSAN door and window sensor is built-in extreme low power consumption module. Provide up to 6000 times trigger.

Link to Cameras and Doorbells

Link to Cameras and Doorbells

Sync smart cameras and smart doorbells from Smart Life app to send you video notifications when doors or windows opened, locate your security detail and more.

Link to Lights and Switches

Link to Lights and Switches

Sync smart lights and smart switches from Smart Life app to turn on/off/dim brightness when doors opened, and more.

Link to Door Locks

Link to Door Locks

Sync smart door locks from Smart Life app, lock the door after door closed for a few minutes, and more.

Power Indicator

Link to Plugs

Sync plug from Smart Life app to turn on fan when front door opened, and more.

  • Material: ABS
  • Main Body Size: 75x25x20 mm
  • Small Body Size: 36x10x17 mm
  • Battery: LR03-1.5V / 2x AAA (Alkaline battery)
  • Battery Life: 1-Year (6000 times trigger)
  • Standby Current: 8uA (Extreme low power consumption)
  • Wireless Type: 2.4Ghz WIFI
  • No Hub Required
  • 1-Year Battery life
  • Remote Control
  • 2.4G Wifi Support
  • Work with Alexa and Google Assitant
  • Programmable
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