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WiFi Door Sensor: Wireless Window Sensor with App Alerts, Tuya Smart Contact Sensor for Home Security and Smart Home Automation, No Hub Required, Compatible with Alexa Google Assistant(4-Pack)
- WiFi DOOR SENSOR WITH APP ALERTS: No hub required and No fees charge. Control with the "Tuya Smart" or "Smart Life" app. Get instant app free notification alerts on your smartphone when doors or windows open or close. Note: door sensor only works with 2.4GHz WiFi, not works with 5G.
- SPPPORTS VOICE CONTROL: Door alarms for home compatible with Amazon Alexa and Google Assistant. Alexa/Google is able to answer the question, "Alexa/Google, is the 'Device Name' Closed/Opened?"
- LINK WITH OTHER TUYA SMART DEVICES: The smart window sensor can control other Tuya smart connected devices as the status of the door or window changes. For example, Automatically turn on your smart wall switches or smart lights when door opened.
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Overview
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LOW POWER WARNIGN & BATTERIES INCLUDED: Door open alert powered by 2*AAA batteries (INCLUDED). Enjoy over six months of battery life with this door alarm sensor. When the battery is running low, it will automatically push messages through App to remind you to change battery, never worry about running out of battery.
EASY INSTALLATION AND WIDELY USE: Install the smart door sensor with the included 3M sticker for a firm and durable hold. Install the sensor on gates, mailboxes, refrigerators, drawers, bedrooms, garages, yards, pet doors, and more. provides a 24-month warranty for the door detector, please feel free to contact if you have any questions.
App Remote ControlSmart security sensor, "Tuya smart" or "Smart life" app control; when door/window is opened or closed, the sensor will push app notification alerts to your smartphone. You can also share Wireless Security Sensors with your family, they can check the status and get notified at the same time.
Low Power Consumption & Low Battery AlertDoor open alert wireless door sensor powered by 2*AAA batteries (Included), working time can last for one year without to replace the battery. When the battery is running low, it will automatically push messages through APP to remind you to change battery, never worry about running out of battery.
How to Add the sensor: 1. Download the Smart life or Tuya Smart app.
2. Log in to the app and press "+" in the upper right corner to add a sensor. (No hub is required)
3. Turn on bluetooth and Wifi, App will automatically discover the door sensor
4. Ensure that the surface of doors and windows is smooth and clean.
5. The installation distance should not exceed 0.7 inches and these two parts need to be aligned by their alignment notch.
Specification: App: Smart Life app or Tuya Smart app
Material: ABS Plastic
Power Supply: 2pcs AAA Battery
Wireless type: ONLY Support 2.4 GHz WIFI (5G is not supported!
Standby Current: 35uA
Working Temperature: -10°C ~ 50°C14-122
Size: 2.83 * 0.98 *078inches/ 7.2 * 2.5 * 2.0 CM
EASY INSTALLATION AND WIDELY USE: Install the smart door sensor with the included 3M sticker for a firm and durable hold. Install the sensor on gates, mailboxes, refrigerators, drawers, bedrooms, garages, yards, pet doors, and more. provides a 24-month warranty for the door detector, please feel free to contact if you have any questions.
App Remote ControlSmart security sensor, "Tuya smart" or "Smart life" app control; when door/window is opened or closed, the sensor will push app notification alerts to your smartphone. You can also share Wireless Security Sensors with your family, they can check the status and get notified at the same time.
Low Power Consumption & Low Battery AlertDoor open alert wireless door sensor powered by 2*AAA batteries (Included), working time can last for one year without to replace the battery. When the battery is running low, it will automatically push messages through APP to remind you to change battery, never worry about running out of battery.
How to Add the sensor: 1. Download the Smart life or Tuya Smart app.
2. Log in to the app and press "+" in the upper right corner to add a sensor. (No hub is required)
3. Turn on bluetooth and Wifi, App will automatically discover the door sensor
4. Ensure that the surface of doors and windows is smooth and clean.
5. The installation distance should not exceed 0.7 inches and these two parts need to be aligned by their alignment notch.
Specification: App: Smart Life app or Tuya Smart app
Material: ABS Plastic
Power Supply: 2pcs AAA Battery
Wireless type: ONLY Support 2.4 GHz WIFI (5G is not supported!
Standby Current: 35uA
Working Temperature: -10°C ~ 50°C14-122
Size: 2.83 * 0.98 *078inches/ 7.2 * 2.5 * 2.0 CM
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Grandwood Tech Limited Return Policy
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