Reliable Wireless Door Sensor for Enhanced Home Security
Keep your home and office safe with this wireless door sensor alarm, designed to alert you instantly with a powerful 90dB siren whenever a door or window is opened. This compact and easy-to-install device uses a magnetic sensor switch to detect unauthorized entry, providing a strong first line of defense against burglars and intruders.
Easy Installation and User-Friendly Design
Installation couldn’t be simpler—just peel off the adhesive backing and stick the sensor onto any door or window frame. Its small size of 2.5 x 1.3 x 0.8 inches makes it unobtrusive while delivering high performance. The device is dustproof and insect-resistant, ensuring reliable operation in various environments.
Features That Matter
This independent alarm operates on 3 LR44 button batteries (included), offering long-lasting power without the need for wiring or complex setups. It functions completely standalone, without requiring any connection to a larger alarm panel or WiFi, making it perfect for those who want simple yet effective security solutions.
Product Benefits at a Glance
- Super Loud 90dB Alarm: Instantly alerts you and scares away potential intruders.
- Wireless and Independent: No wiring or hub needed for hassle-free security.
- Easy Peel-and-Stick Installation: Set up in minutes on doors or windows.
- Durable and Dustproof: Built to last with protection against dust and insects.
- Compact Size: Small and discreet design fits almost anywhere.
- Free Warning Sticker: Included to deter intruders before they try.
When and Where to Use It
This wireless door sensor is ideal for protecting entry points at homes, apartments, offices, garages, dorm rooms, and hotel rooms. Whether you’re at work or sleeping, it provides peace of mind by alerting you to any unauthorized access.
Why Choose This Door Sensor Alarm?
With its combination of powerful sound, simple installation, and reliable detection, this door sensor alarm offers a practical and cost-effective way to secure your space. Easy to use and maintain, it’s the perfect security upgrade for anyone looking to enhance their home or office protection.
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 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 |
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.
Refunds
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 Marvelion (i.e. not cleared by customs, delayed by a natural disaster).
- Other exceptional circumstances outside the control of https://majortreasurearea.shop
*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.
Exchanges
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.
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