Features: Ensure road safety with this car lane change and blind zone detection system. This reverse parking sensor uses advanced technology for accurate detection of surrounding objects during reverse maneuvers. Suitable for all drivers, whether you're a beginner or experienced, this product provides comprehensive safety assistance for worry free driving. Perfect for frequent reversing or changing lanes in complex traffic, this system helps you observe your surroundings and minimize potential risks. Enjoy the convenience of a versatile display with sound prompts, providing intuitive information about your surroundings for easier driving. Specifications: Material:Plastic Size:As Picture Shown Power supply voltage: 12V Power consumption: < 2W Operating frequency band: 24Ghz Working temperature: -40℃~ +85℃/-40℉-185℉. Storage temperature: -40℃~ +85℃/-40℉-185℉. Waterproof grade: IP67 Range resolution: 0.5m/1.64ft Range accuracy: better than 0.18m/0.59ft. Detection range: the transverses distance is 0.30m-4m/0.98ft-13.12ft. Rear distance: 0.30m-20m/0.98ft-65.61ft. Accuracy of detection distance: ≥96% System alarm accuracy: ≥96% Alarm mode: Methods 1: LED lights on. Methods 2: LED flashes and buzzer rings. Probe: 2 alarm prompts: Yes. Detection range: 20m Package Includes: 1 Set Blind Spots Detection System note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.