Free Worldwide Shipping
Got a question? Call us!
WhatsApp +359898979878

Window & Door Detector For Home Wireless Alarm System

32 reviews
100% of buyers enjoyed this product! 760 orders
Total Price:
Best price guarantee
View cart
Buyer protection
Safe shopping
Easy returns and refunds
Free shipping worldwide
  • Item Type: Cameras & Security
  • Material: ABS Plastic
  • Working Voltage: 3 V
  • Working Frequency: 433 MHz
  • Transmission Distance: 50-150 m in Open Area
  • Size: 75 x 36 x 16 mm
  • Features: Security, Senor Alarm, Smart Home, Magnetic Wireless Senor, Door Sensor, Window Sensor, Alarm System


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 locations 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
Asia 10-20 Business days
Africa 15-45 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. If you haven’t received tracking info within 5 days, please contact us.

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. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

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 received 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 homeforsmart (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.

Real customer reviews

32 reviews
100% of buyers enjoyed this product!
5 stars
4 stars
3 stars
2 stars
1 star
verifed buyer
29 Nov 2020

It didn't go fast. The situation with the square. I ordered as additional sensors for the cottage. All working: Installed, checked. I recommend the manufacturer and store.

verifed buyer
28 Nov 2020

Received quickly, easily paired with my Kerui G18 alarm system. No instructions delivered with but not necessary. Be careful the battery is not delivered with.

verifed buyer
26 Nov 2020

Did not check the batteries in the kit no

verifed buyer
26 Nov 2020

I'm very satisfied

verifed buyer
24 Nov 2020

Very good quality! Recommend!

verifed buyer
12 Nov 2020

great sensor. had no problems adding in to not kerui alarm system. simply enter sensor adding mode on alarm and then trigger the sensor. job done.

verifed buyer
5 Nov 2020

Two months went by

verifed buyer
3 Nov 2020


verifed buyer
30 Oct 2020

Thank you, the goods have come. At least one sensor is equipped with a battery to know what you need.

verifed buyer
28 Oct 2020

As always, everything is at the highest level, the products are very high quality, I buy not the first time.

verifed buyer
24 Oct 2020

The alarm on the removal of the back cover does not work. The sensor works at a distance of 3-5 cm from the magnet. Packed in a box with a main unit.

verifed buyer
14 Oct 2020


verifed buyer
8 Oct 2020

Correct description and operation

verifed buyer
5 Oct 2020


verifed buyer
4 Oct 2020


verifed buyer
28 Apr 2019

Highly recommended

verifed buyer
25 Apr 2019

Very good store and absolutely cooperative, it is recommended

verifed buyer
22 Apr 2019

Fast shiping great quality ;)

verifed buyer
22 Apr 2019

It works great. I recommend buying these items from kerui's original store because they are many more reliable than by another store.

verifed buyer
22 Apr 2019


verifed buyer
21 Apr 2019


verifed buyer
19 Apr 2019

Reed sensor. Works super. The response distances are also good.

verifed buyer
18 Apr 2019


verifed buyer
15 Apr 2019

The product corresponds to the description. Included battery.

verifed buyer
15 Apr 2019

Very simple to use

1 2
More reviews
Write a review
© Copyright 2019 - 2021. All Rights Reserved

Shopping cart