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18MM Car Parking Sensor Parktronic Reverse Probe Ultrasonic Black Red Blue Grey Silver Champagne Gold Aparcami for Backup Radar

34 orders

$28.04

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SKU:
1005007149629880
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Product List:

1 sensor (cable length 2.3M)

Sensor knowledge: (for learning only)
 
In order to study and use ultrasonic waves, many ultrasonic generators have been designed and made. Ultrasonic sensors, reversing radar sensors,
 
Ultrasonic hair sensors can be divided into two categories
 
1: The first type is to generate ultrasonic waves electrically,
 
2: Ultrasonic waves are generated mechanically
 
At present, the piezoelectric ultrasonic generator is more commonly used. It has two piezoelectric wafers and a resonance plate. When the pulse signal is applied at its two poles and its frequency is equal to the natural oscillation frequency of the piezoelectric wafer, the piezoelectric wafer will resonate and drive the resonance plate to vibrate to produce ultrasonic wave. On the contrary, if no voltage is applied between the two electrodes, when the resonance plate receives ultrasonic wave, The piezoelectric wafer will be compressed for vibration and the mechanical energy will be converted into electrical signals. At this time, it will become an ultrasonic sensor
 
Reversing radar ranging: the reversing radar sensor sends out an ultrasonic signal at a certain time, reflects it back when it meets the measured object, and is received by the reversing radar. As long as the time from transmitting to receiving the echo signal of the ultrasonic signal is calculated, and the propagation speed in the medium is known, the distance from the measured object can be calculated:

Weight 9 kg
Dimensions 2 cm
Brand Name

QXNY

Type

Invisible

Origin

Mainland China

OSD Language

English

Material Type

ABS

Certification

FCC

Model Name

parking sensor

Choice

yes

Shipping and delivery

We are proud to offer international shipping services that currently operate in over 200 countries and islands worldwide. 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 have specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.

Refunds & returns policy

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:

  • You do not receive them within the guaranteed time (45 days not including 2-5 day processing)
  • You receive the wrong item
  • You do not want the product you have received (but you must return the item at your expense and the item must be unused)

We do not issue the refund if:

  • Your order does not arrive due to factors within your control (e.g. providing the wrong shipping address)
  • Your order does not arrive due to exceptional circumstances outside our control (e.g. not cleared by customs, delayed by a natural disaster)
  • Other exceptional circumstances outside the control of ovatrend.com

*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 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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