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433mhz Wireless Door and Window Sensors Set

21 reviews
100% of buyers enjoyed this product! 168 orders
US $14.98
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  • Item Type: Entry Sensors
  • Interface: 433 MHz
  • Material: Plastic
  • Power: 1 x 12 V Battery (not Included)
  • Size: 7.5 x 3.6 x 1.6 cm / 2.95 x 1.42 x 0.63 inch

Package Includes:

  • 1-8 x Sensor (Optional)

433mhz Wireless Door and Window Sensors Set433mhz Wireless Door and Window Sensors Set


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, you can request a refund or reshipment for ordered products if:

  • 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.

We do not issue the refund if:

  • 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 Safe2u (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

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

Thank you for your fast shipment.

verifed buyer
27 Apr 2020

40 days delivery, track tracked. In the autonomy, the sensor works, I have not tried to connect to the alarm yet. Batteries are not included.

verifed buyer
5 Apr 2020


verifed buyer
30 Mar 2020


verifed buyer
12 Mar 2020


verifed buyer
5 Mar 2020

Came with batteries, everything corresponds to the description.

verifed buyer
2 Feb 2020


verifed buyer
28 Jan 2020

I don't know if it works since I haven't tried it yet.

verifed buyer
27 Jan 2020

Fast receiving, good packing, compliant

verifed buyer
16 Jan 2020

Two orders were made in this store, but this store did not send, although convinced that both orders go in one parcel. When he was caught lying-quickly send by courier mail refused. Money back.

verifed buyer
15 Jan 2020

No batteries included, order separately!

verifed buyer
13 Jan 2020

It's okay!

verifed buyer
11 Jan 2020

Reçu in 3 semaines installée of marc suite Have good

verifed buyer
8 Jan 2020

The only negative is that there are no batteries in the kit, and so everything is fine

verifed buyer
6 Jan 2020

Free compliant, damage it there be no anti pullout, otherwise it's me air correct, to see when installation.

verifed buyer
25 Dec 2019

Not yet checked

verifed buyer
20 Dec 2019

In the kit there are batteries!

verifed buyer
11 Dec 2019

In sensors that went with a signal, the response occurred only when removed from the magnet, and these work also when approaching. I think the battery will sit down twice as fast, which is not good.

verifed buyer
10 Dec 2019

Send a standard code readable by Arduino

verifed buyer
3 Dec 2019

Quick shipment. Super store! Thank you, excellent!

verifed buyer
25 Nov 2019


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