24V Mini LED Display Truck Parking Sensor

24V Mini LED Display Truck Parking SensorProduct Description   1) Mini LED Display design with 15 meter cables2) 100% Waterproof Control box3) Wide Voltage design: 16V-24V 4) Three colors,seven segments LED display 5)There is Switch on the display which is used to turn on or off built-in buzzer sound.     Sensor OptionProduct ParametersLED display size: 9.8 x 2x 2.6cm Control box size: 8.5x 7.1 x 2.5cmRate voltage: 12V DCOperating voltage range: 16V- 24VRate current: 20mA - 180mAUltrasonic frequency: 40kHzDetecting distance: 0.3- 2.5mAlarm sound: ≥ 75dBWorking temperature: -40 - 80° C Package Content:1 x Main Control Box1 x LED Display Indicator4 x Parking Sensors1 x Saw drill head2 x Double Side Sticker1 x User manualWiring Diagram Other Hot ProductsWorkShopCertificationsFAQBelow are some frequent questions which were asked about parking sensor system. We here list them for your references. As part of our continuous support to our customers, we look forward to hearing from you and assisting you. If you have questions, please contact with us . We will reply them and put them on the web.1. After installation, the display doesn't work or no beep   1) Check if the power supply wire is connected correctly   2) Check if the ignition is turned to ACC/ON   3) Check if the reverse gear is engaged   4) Check if all wiring connections are correct   5) Check if the display/speaker is damaged   6) Verify the ground connection2. The obstacle position is not corresponding to the display indicator   1) Check if the sensors' wires are connected to the ECU in order according to the manual3. When reverse gear is engaged, the display always indicates   1) Check if there are any obstacles within 1.5 m   2) Check if there are any sensors mounted too low or detecting the ground   3) Unplug a sensor at a time to check for response   4) Check if the sensors are mounted upside-down4. No human voice warnings   1) Check if the version of this product is with voice warning   2) Check if the voice warning function is switched on5. False alarm   1) Check if all sensors are plugged into the ECU in the correct position tightly   2) Check the installation height of sensors, and if any sensor detects the ground   3) Check if the sensor is damaged   4) Check the installation angle of sensor   5) Check if the display is damaged   6) Check if the display matches the ECU   7) Check if the ECU is damaged   8) Check if the electronic parts or devices in vehicle are interfering with the system   9) Check if the cables are damaged 10) Check if the ground wire needs to be connected to car body, or if the connecting point needs to be cleaned and with "0" voltage/* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1