1Function: Car radar detection unit is a laser eye detector that supports 360 degree laser detection and can detect any stable or moving radar speed monitor 800?1500m/875?1640yd ahead. 2Voice Alert: The detector will alert you with a clear voice when you approach the radar source. The LED display indicates which band of radar is hitting you and shows the signal strength digitally (1?9). 3Powerful Performance: With extreme range superheterodyne technology and ultrafast scanning circuits, provides additional detection range and the best advanced warning. 4Accurate and Unique: Features a speed sensitive automatic mute system that virtually eliminates false alarms and makes your detectors undetectable by currently available radar detector. 5Record Keeping: Provides full immunity to the Vg?2 radar detector, electronically remembering radar detector settings for an indefinite period of time even with the power removed.