backup sensor kit for trucks buzzer beep

{"cid":"91211155","title":"IP67 Waterproof 4-Sensor Parking Sensor System with 0.3-2M Detection Distance Reverse Radar Kit","imgUrl":"https:\/\/img.chinax.com\/nimg\/44\/5e\/5f3dc40c51bb7d045ad01e16e68a-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"KING CROWN","Minimum Order Quantity":"30pts","Delivery Time":"45days","Supply Ability":"1000sets\/month","Certification":"RoHS","Detection Distance":"0.3-2M (3M)","Packaging Details":"Export standard package","Alarm Distance":"0.3-1.5M (2M)","Payment Terms":"L\/C,T\/T","Working Temperature":"-30\u00b0C to +80\u00b0C","Place of Origin":"China","Tolerance Scope":"<1cm","Waterproof Rating":"IP67","Voltage":"DC 12V"}}

{"cid":"91225630","title":"Best Aftermakert LED Display Car Trucks Backup Front Rear Reversing Parking Sensor Price","imgUrl":"https:\/\/img.chinax.com\/nimg\/f5\/82\/9438165b60d796240f28f7e659c5-200x200-1.jpg","attrs":{"Price":"17.99-25.99","Brand Name":"OEM","Model Number":"CD01-4T3","Minimum Order Quantity":"50 sets","Delivery Time":"10-15 days","Certification":"CE, RoHS","Place of Origin":"Guangdong, China","Payment Terms":"L\/C, T\/T, Western Union, MoneyGram","Supply Ability":"5000set\/month","Packaging Details":"carton","Warranty":"1 Year","Waterproof Rating":"IP67","Operating Temperature":"-40\u00b0C to 85\u00b0C","Package Includes":"Sensors, Control Unit, Buzzer, Wirings, User Manual","Sensor Type":"Ultrasonic","Operating Voltage":"12V DC","Detection Range":"0.3m to 2.5m","Alarm Type":"Audible Beep","Installation Type":"Surface Mount \/ Flush Mount","Color":"Black,white, silver","Number Of Sensors":"4","Material":"ABS Plastic","Type":"Parking Assistance Sensor","Compatibility":"Universal \/ Most Car Models","Sensor color":"white, silver and black","Sensor diameter":"18.5mm"}}