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Small Independent Door Magnetic Sensor For Alarm System

19 reviews
100% of buyers enjoyed this product! 140 orders
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  • Item Type: Cameras & Security
  • Material: ABS Plastic
  • Working Voltage: 4.5V
  • Standby Current: <10 mA
  • Working Current: >70 mA
  • Size: 85 x 30 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

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

Extensively as photos. It has different sounds including choose. Good power. Attaches easily.

verifed buyer
12 Sep 2020

Ok but alarm sound too weak to be useful, barely audible

verifed buyer
28 Jun 2020

Everything ok, works good.

verifed buyer
15 Apr 2019

Nice quality at low price!

verifed buyer
12 Apr 2019

It is perfect, it sounds very high, with several configuration is and very good quality. Very happy!

verifed buyer
27 Mar 2019

The store is well done, sent the goods as quickly as possible

verifed buyer
25 Mar 2019

Tge product is same as the description. It is beyond my expectation as well as I didn't think its sound was too loud like this. I am very satisfied with it.

verifed buyer
11 Mar 2019

3 weeks to Latvia. Very loud

verifed buyer
21 Feb 2019

Good alarm quality excellent 4 working modes.

verifed buyer
18 Feb 2019

I didn't get my order. But the money was quickly returned.

verifed buyer
16 Feb 2019

Screaming loud.

verifed buyer
16 Feb 2019

Order prisha quickly. Checked, everything works. Yells well. This model i buy not the first time, it works dignified, the price is budget, i bought it before from another store, now it closed the store. I recommend the seller.

verifed buyer
13 Feb 2019


verifed buyer
8 Feb 2019

Works fine

verifed buyer
8 Feb 2019

Come, yell mom do not grieve

verifed buyer
6 Feb 2019


verifed buyer
3 Feb 2019

Useful thing, the quality is good.

verifed buyer
29 Jan 2019

Very good product It arrived in condition. well packed.

verifed buyer
24 Jan 2019

Everything works. Yells loudly and nervously. Not yet invented, for what to use.

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