COBRA XRS 9840 ULTRA PERFORMANCE 12 BAND(R) RADAR/LASER DETECTOR DETECTS THE LATEST RADAR GUN POP;DETECTS EUROPEAN KUBAND RADAR GUN ; RELATIVE SPEED SENSING AUTO MUTE SYSTEM VIRTUALLY ELIMINATES FALSE ALLERTS;INTELLISHEILD(R) REDUCES THE FREQUENCY OF FALSING IN DENSELY POPULATED URBAN AREAS; 8-POINT ELECTRONIC COMPASS AUTOMATICALLY PROVIDES AN ACCURATE ELECTRONIC DIRECTION READING;12-BAND(R) DETECTION;WORKS WITH EMERGENCY VEHICLES CURRENTLY EQUIPPED WITH TRAFFIC LIGHT CONTROLLING STROBE EMITTERS;LASEREYE(R) PROVIDES 360deg DETECTION OF LASER SIGNALS;SAFETY ALERT(R) FEATURE WARNS DRIVERS OF EMERGENCY VEHICLES and ROAD HAZARDS FROM SYSTEMS EQUIPPED WITH SAFETY ALERT(R) TRANSMITTERS;SMARTPOWER(TM) AUTOMATICALLY SHUTS OFF POWER TO THE UNIT WHEN THE IGNITION IS TURNED OFF; VOICE ALERT(TM) PROVIDES THE USER WITH SPECIFIC BAND VOICE ANNUNCIATION;VG-2 ALERT(R) and SPECTRE ALERT(TM) NOTIFY THE USER OF SURVEILLANCE OF VG-2 RADAR DETECTORS;VG-2 UNDETECTABLE PROVIDES COMPLETE IMMUNITY TO VG-2 RADAR DETECTORS;ULTRABRIGHT DATA DISPLAY(TM) PROVIDES RECOGNITION OF BAND DETECTED BY USE OF BAND IDENTIFICATION ICONS;CITY and HIGHWAY MODES REDUCE THE FREQUENCY OF FALSING IN DENSELY POPULATED URBAN AREAS;AUTO MUTE AUTOMATICALLY MUTES THE ALERT TONE FOR ENHANCED DRIVER CONVENIENCE;DIM MODE ALLOWS THE USER TO DIM THE RADAR DETECTOR DISPLAY ENHANCING NIGHT DRIVING VISIBILITY;STAYSET(R) ELECTRONIC MEMORY REMEMBERS RADAR DETECTOR SETTINGS FOR AN INDEFINITE PERIOD OF TIME EVEN WITH THE POWER REMOVED;CAR BAT