Cobra XRS 9955 Voice Alert 15 Band Radar/Laser Detector with 1.5-Inch Full Color Display and Upgradeable Red Light/Speed Features 15-band S-XRS radar/laser detector with full-color, customizable, ExtremeBright DataGrafix II display IntelliMute render your detector undetectable by currently available radar detector-detectors. Car Battery Voltage Display and Low Car Battery Warning provide approximate voltage of your car's battery and alerts you when car battery voltage 8-point electronic compass automatically provides an accurate electronic direction heading One-year limited warranty