KERUI Tuya Smart Home WiFi Door Sensor Alarm Window Open Closed Detectors Magnetic Switch APP Alert Car Garden Security System
ID: 42177

KERUI Tuya Smart Home WiFi Door Sensor Alarm Window Open Closed Detectors Magnetic Switch APP Alert Car Garden Security System

4.8 (162 votes) | 406 orders
Price: US $21.82 - 163.15 / piece
Discount Price:
US $ 17.67 - 132.15 / piece
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KERUI Tuya Smart WiFi Door Sensor Door Open / Closed Detectors Wifi Home Alarm Compatible With Alexa Google Home APP

Your personal butler&receptionist

Instant notification to your phone immediately when door or window is opened or closed. With KERUI door window sensor, you don't have to worry about your baby going out of house without notice, and easily know when your aged parents leave or arrive home, even can be clear when someone enters your shop,office and company reception,etc.Keeping you safe and informed all the time.

Full peace of mind

KERUI door open sensor provides 24-hour monitoring. Even you are far from your home,garage,car,shed,and garden,etc,you can check whether the door/window is open with free Tuya app anytime and anywhere,giving you a full sense of security.

Everything is under control

Support checking unlock / lock records and battery level on free Tuya app.Never worry about missing any important moment or running out of battery.If you install more than one KERUI smart wifi door sensor in different places. All the status of doors and windows will be displayed simultaneously within the app so that you can easily know what you want at a glance

Works with Alexa/Google Assistant

Simply use your voice to control the connected devices by Alexa or Google Home. It can also perform auto control together with other smart devices which are compatible with Smart Life. Convenient for you to detect your doors, windows, cabinets, drawers or anywhere you want to notified when it is opened or closed.

Easy to Install

No complicated installation tools are required. The sensor can be installed with double-sided adhesive tape or screws(included) in just a few steps, and download an app "tuya" or "Smart Life" from GooglePlay or App Store to add the device to detect the status of your door/window.

Tuya Doorsensor Specifications:

Battery: AAA1.5V x 2 (Batteries not included) Standby current: ≤5uA Protocol: IEEE 802.11b/g/n Operating Temperature: -10℃~ 40℃ (14°F~104°F) Operating Humidity: 20% ~ 85% Storage Temperature: -10℃ ~60℃ (14°F ~140°F) Storage Humidity: 0% ~ 90% Standby time:6 - 12 months Wireless Type : 2.4GHz Size: Main body : 7cm x 3.8cm x 1.5cm Small body : 5cm x 1.5cm x 1.5cm



KERUI D025 433MHz Wireless Window Door Magnet Sensor Detector For Home Wireless Alarm System

This sensor can't be used independently. It needs to work with the panel which is the same as this sensor's parametter. And it is not universal for all the panel. Plz contact with us firstly before you order if you don't know clearly. We don't take any responsible because of your false order. Thanks!

D025 Specifications:

Built-in Antenna Operating Power: 23A 12V (battery not include) Transmission frequency: 433MHz It will send the alarm signal to control host once the door or window is opened

  • Brand Name: KERUI
  • Certification: CE
  • Origin: CN(Origin)
  • Model Number: D025
  • Type: Wireless Window Door Magnet Sensor Detecto
  • Material: ABS
  • Feature1: High-performance and low power consumption
  • Feature2: support amazon alexa
  • feature2: support google assistant
  • WIFI: 2.4GHz(not support 5G )
  • battery: 2pcs AAA (not included)


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some location we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:

Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you did not receive the product within the guaranteed time(45 days not including 2-5 day processing) you can request a refund or a reshipment.

If you received the wrong item you can request a refund or a reshipment.

If you do not want the product you’ve receive you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of Useck - Security & Protection (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.



Thank you for your interest doing business with us!

If you would like to get a discounted price for your large purchase orders, fill in the required blanks along with your email address, the product Item ID # and/or the link of the item that you want to order, item quantity (minimum of 30 pieces), shipping country and payment method is required. We will contact you with a discounted price as soon as we receive your inquiry.

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