Cobra Electronics XRS-9940 12 Band Radar Laser Detector. The XRS 9940 provides total protection and peace of mind with the Xtreme Range Superheterodyne Technology, detecting all 12 radar/laser bands with its super fast lock on detection circuitry. The unit provides extra detection range and the best possible advance warning to even the fastest of POP mode radar guns. It comes with the Cobra exclusive full color ExtremeBright DataGrafix display, an 8 point electronic compass, Voice Alert, car battery voltage display/low car battery warning and much more.