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Door Sensors for Alarm System 4 pcs Set

26 reviews
100% of buyers enjoyed this product! 111 orders
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  • Item Type: Door Sensors
  • Material: Plastic
  • Operating Distance: 30.5 m / 1200.8 inch
  • Operating Temperature: 0° to  40°C / 32° to 104°F
  • Frequency: 868.4 MHz
  • Power: CR2 Battery (Included)
  • Size: 7 x 2 x 2 cm / 2.8 x 0.8 x 0.8 inch
  • Set Includes: 4 x Door Sensors


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

26 reviews
100% of buyers enjoyed this product!
5 stars
4 stars
3 stars
2 stars
1 star
verifed buyer
8 Aug 2021

пришли быстро. нормально работает с vera+

verifed buyer
5 May 2021

Re-order, everything is super on O2 Smartbox Ce sensor

verifed buyer
24 Apr 2021

Très bien

verifed buyer
12 Apr 2021

Excellent, well packaged, well arrived, works perfectly with zwave, good price batteries included, I recommend the site, and I will recommend.

verifed buyer
29 Jan 2021

Product as writing and works perfectly

verifed buyer
15 Jan 2021

Good service, the last order there was i device that died. but they replaced it directly

verifed buyer
13 Jan 2021

Works perfect with Z wave and Domoticz

verifed buyer
27 Nov 2020

The sensor does the job and it is easy to install

verifed buyer
25 Nov 2020

thanks man

verifed buyer
26 Oct 2020

Just as ordered.

verifed buyer
23 Oct 2020

Works well with Hassio/Home Assistant. Product deliverd as described.

verifed buyer
3 Oct 2020

Sensors work perfectly with my Homey. Product name can be way better, it is probably Chinese style to put all information in the product name because most products have that. Satisfied with the sensor and this store.

verifed buyer
15 Mar 2019

I ordered 4 sensors but two doesn't work. He said he wil send me new sensors but he send me a plug. And now it's to late to open a dispute. So finally i just have two working sensors!!!!! He forgot to write the price i asked on the invoice so i had to paid clearance fees. Don't buy in its shop!!!!!!!

verifed buyer
14 Mar 2019

Very good product at a very attractive price. Thank you

verifed buyer
14 Mar 2019

Very fast delivery, responsive store. The product works as advertised, the sensors requires very close proximity of the magnet but that's expected. Using those with Openhab, no problems so far.

verifed buyer
8 Mar 2019

Not tested. Well packed. Thanks

verifed buyer
5 Mar 2019

Product works well to belong.

verifed buyer
17 Feb 2019

4 pcs.

verifed buyer
15 Feb 2019

Good packed. Not tested yet.

verifed buyer
31 Jan 2019

You HAVE to make sure your zwave is US or EU. Wrong zwave frequency will not work. The store originally sent me the wrong one but they sent replacement order and it works great. Trust is when something goes wrong and seller still willing to correct the mistake despite their loss. A+ seller. The item added onto my wink hub as Dome product which costs a lot more than this brand but looks just the same.

verifed buyer
18 Jan 2019

Product have quality สมราคา followed sq Base

verifed buyer
15 Jan 2019

Sensors work great!!

verifed buyer
10 Jan 2019

works very nice!

verifed buyer
3 Jan 2019

Good Product arrived within the deadlines announced by the store

verifed buyer
2 Jan 2019

All ok !

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