[Risk-Free Attempt] Comes with 1 x driving aids, 1 x power cord, 1 x anti-slip mat and the package box with user guide. [Quick Response] When working, the GPS will tell you by make a sound to confirms the your speed on the stretch of road. [Record Keeping] Provides complete immunity to VG-2 driving aids, electronically remembers its setting for an indefinite period of time even with the power removed. [Two Road Modes] Optional city/highway modes allow you to select which can reduce the false frequency in densely populated urban areas. [Advanced False Alarm Filtering] The driving aid features optimum K/KA band filtering to reduce false alerts from other vehicles for blind spot monitoring and collision avoidance systems.