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Characteristics:
1>.Independent transmit and receive paths for maximum gain and single channel operation.
2>.High sensitivity, high flexibility, low cost, working distance up to 10meter
3>.It is not affected by temperature, humidity, noise, airflow, light, etc., and is suitable for harsh environments;
4>.Strong anti-radio frequency interference, stable performance; fast response and high sensitivity.
5>.The output power is only 5mW, which is not harmful to the human body;
6>.The range of long-distance detection can reach 10 meters (the default is 0.2-10 meters continuously adjustable).
7>.Small size and easy to install.
Note:
1>.It is strictly forbidden to work with electricity to avoid malfunctions, wrong connections, burned out circuits or electric shocks; avoid touching the sensing surface of the probe with hands or tools during operation to prevent static electricity from damaging the module probe.
2>.Avoid installing in the sun and rain, to prevent damage or affect the service life.
3>.Try to install the place away from the magnetic field and the equipment that generates vibration to avoid malfunction.
4>.Try to install away from the movement of objects (like fans) to avoid malfunction
5>.The module can be installed by ceiling or by wall. The height of the wall is kept below 3 meters from the ground. When the height is more than 2 meters against the wall, the sensing surface of the module should form a depression angle with the detected area. The installation height is preferably less than 4 meters.
6>.the installation angle is different to the induction angle and the sensing distance will have a certain impact, please be sure to face the sensing area facing the detected area, the sensing surface should be able to vertically correspond to the area to be detected.
Returns Policy
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.
Shipping
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 and 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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