WIFI Home Burglar Security Alarm Smart Wireless Alarm System Kits APP Control Android IOS PIR Sensor Door Window Detector Alarm
This new Wifi smart sensor alarm set, 433MHZ anti PET detector, 433MHZ door guard sensor, remote-control, all can be controlled through the alarm host and cell phone APP interaction. Each alarm host can support Max. 99pcs wireless RF433 detectors.
Q: Does This PIR Motion Sensor can work alone?
A: No. Need to work with our Wireless Alarm Host or Sonoff RF Bridge.
Q: Does wireless RF433 Door sensor or PIR sensor come with battery?
A: No. Because of transportation limitation.We may show you pictures to find in your market easily.
Q: Does wireless alarm host need to connect with home Wifi?
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly.
This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping & delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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