DESC: COBRA ESD9117 10 Band Radar/Laser Detector. The LaserEye provides 360 degree detection of radar and laser signals, while the Strobe Alert feature can detect tens of thousands of emergency vehicles equipped with traffic light controlling strobe emitters. With the Cobra 9117, you will know whats ahead before you get there. VG 2 Alerts: Though the system is undetectable by VG 2 radar, this system will pick up the signal and alert you. City/highway switch allows the user to select the operating mode, which reduces the frequency of false alarms in densely populated urban areas. Additional features: A proximity detector can gauge how far from the source of a radar or laser signal you are, and Intellmute relative speed sensing helps reduce false alarms. There is an automatic mute which can be set to immediately mute the alarm for the drivers convenience, and the unit retains its memory settings even if the power source is removed.