{"product_id":"22mm-0-86in-diameter-open-hole-car-parktronic-parking-sensor-vehicl-backup-radar-probe-ultrasonic-kit-black-red-blue-grey","title":"22mm\/0.86in Diameter Open Hole Car Parktronic Parking Sensor Vehicl Backup Radar Probe Ultrasonic Kit Black Red Blue Grey","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eQXNY\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCertification\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eFCC\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eIS It With PCB\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNo\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eMaterial\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eABS\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSensor\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eInvisible\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\n\u003cimg style=\"display:initial;width:940px;height:282px\" width=\"940px\" height=\"282px\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sb47e8648dd174d4fbb0f3db7f0bce049K.jpg?width=1464\u0026amp;height=439\u0026amp;hash=1903\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style=\"color:rgb(192, 57, 43)\"\u003e\u003cstrong\u003eBefore placing an order, you need to know:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cstrong\u003eWhen placing an order, please select the color and quantity of the sensor! Different choices will result in different quantities of products!\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cbr\u003eThe product is only an accessory for the reversing radar and can match most products on the market.\u003cbr\u003e1: You must have a control box to use it.\u003cbr\u003e2: The performance and detection distance of the sensor are determined by your control box.\u003cbr\u003e3: When installing the sensor, it must be about 50CM\/0.2IN from the ground and cannot be tilted to the ground.\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cdiv\u003e\u003cp style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;display:block;width:100%\"\u003e\u003cimg style=\"display:initial;width:940px;height:198px\" width=\"940px\" height=\"198px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S954bfea6d6164ef18830986e97e30272u.jpg?width=1464\u0026amp;height=309\u0026amp;hash=1773\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cstrong\u003eWorking principle of the sensors:\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cbr\u003eWhen the product is working, the sensor emits ultrasonic waves. When encountering an obstacle, the ultrasonic waves are reflected. The sensor receives the reflected signal and transmits it to the control box. Through calculation, the control box obtains the distance between the vehicle and the obstacle, and reminds the driver to pay attention through the display and sound, etc., to avoid danger. It is a good helper for us to drive the car!\u003cbr\u003e\u003c\/span\u003e\u003cimg style=\"width:940px\" width=\"940px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S4165b0276f7b48e9804095bd9a9207ffb.jpg?width=940\u0026amp;height=940\u0026amp;hash=1880\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S81db5645cfb449fe862d3a7cc915ffe3g.jpg?width=1000\u0026amp;height=1000\u0026amp;hash=2000\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S7904904411884609bba27e516a98aa6f9.jpg?width=1000\u0026amp;height=1000\u0026amp;hash=2000\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S6c1d585e193744858b5b543a3c62c96cH.jpg?width=1000\u0026amp;height=1000\u0026amp;hash=2000\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S72ba0430625043d898d0d56d1d7c9e30P.jpg?width=1000\u0026amp;height=1000\u0026amp;hash=2000\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cp style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;display:block;width:100%\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S7f96056cbbec4c3c8848adc6d847e495m.jpg?width=940\u0026amp;height=1022\u0026amp;hash=1962\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003cimg style=\"width:940px\" width=\"940px\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sf65af27f7c124f62b28777a80e1cad239.jpg?width=1600\u0026amp;height=1600\u0026amp;hash=3200\" slate-data-type=\"image\"\u003e\u003cimg style=\"width:940px\" width=\"940px\" src=\"https:\/\/ae01.alicdn.com\/kf\/Saf103188481a4b41b3103674684aba54Q.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cp style=\"text-align:left;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px\" align=\"left\"\u003e\u003cimg style=\"width:940px\" width=\"940px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S61d2838e6bd24b44aef2fd704c4445f9w.jpg?width=940\u0026amp;height=940\u0026amp;hash=1880\" slate-data-type=\"image\"\u003e\u003cimg style=\"width:940px\" width=\"940px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S47edd5269a8f4824b6395ee6ff690032g.jpg?width=940\u0026amp;height=940\u0026amp;hash=1880\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color:rgb(192, 57, 43)\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size:20px\"\u003eSensor knowledge: (For learning only)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:20px\"\u003eIn order to study and use ultrasonic waves, many ultrasonic generators have been designed and made. Ultrasonic sensors, reversing radar sensors,\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:20px\"\u003eUltrasonic hair sensors can be divided into two categories\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:20px\"\u003e1：The first type is to generate ultrasonic waves electrically,\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:20px\"\u003e2：Ultrasonic waves are generated mechanically\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:20px\"\u003eAt 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\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:20px\"\u003eReversing 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:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Aussie Bargain Hunter ","offers":[{"title":"Black \/ 2 Sensors","offer_id":48472954536128,"sku":"1005007836286837-Black-2 Sensors","price":18.14,"currency_code":"AUD","in_stock":true},{"title":"Black \/ 1 Sensor","offer_id":48472954568896,"sku":"1005007836286837-Black-1 Sensor","price":14.39,"currency_code":"AUD","in_stock":true},{"title":"Black \/ 8 Sensors","offer_id":48472954601664,"sku":"1005007836286837-Black-8 Sensors","price":46.69,"currency_code":"AUD","in_stock":true},{"title":"Black \/ 4 Sensors","offer_id":48472954634432,"sku":"1005007836286837-Black-4 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