[ Safe driving ] The onboard radar detector supports all-round fast scanning, adopts ultra long distance and ultra differential technology, is equipped with a frequency scanning circuit, tests threats faster and more accurately, and sends out voice alerts in advance. It can provide remote detection and optimal warning, ensuring accurate blind spot monitoring and collision avoidance systems. [LED display and clear voice prompt] It can detect any stable or moving Radial velocity monitor 200 to 2500 meters ahead, so that you have enough time to respond quickly through voice prompt and provide advance warning when driving. The upgraded system also has relative speed sensing automatic shutdown and automatic mute functions to cleverly avoid tickets. [Stealth detection] It supports scanning speed traps at all frequencies of K band, X band and Ka band on the ultra sensitive platform, and makes your detector unable to be detected by the currently available radar detectors. [Easy to operate] Just plug the driving assistance device into the car charger and it will start working. With three buttons, you can change the language, adjust the volume, and switch between city and highway modes. Equipped with 1 radar detector, 1 power cord, 1 anti slip pad, and a box with user guide. Aims to provide the best service. If you have any issues after receiving the product, please contact us, and we will provide the best solution within 24 hours