Cobra Electronics DSP9200BT Radar Detector Small Size. Big performance - Detects all radar, laser guns and cameras in the industrys smallest footprint. Revolutionary Accuracy - Reduces the uncertainty and frustration of false alerts with Digital Signal Processing (DSP) technology, the next level of accurate radar detection. Let the free Cobra iRadar app and community based detection lead the way. iRadar gives real-time alerts to upcoming Speed & Red Light Cameras, Live Police Activity, Radar & Laser Guns and Caution Areas reported by other iRadar users. Stay One Step Ahead - Cobras powerful servers and complex algorithms take massive amounts of historical user data and distill it into a threat level for your vehicle. Just What You Want to Hear - A suite of several Cobra technologies help to further eliminate unwanted and false alerts. These include; SpeedMuteTM, Auto Mute Mode, QuietDriveTM, AutoCityTM, CAS Immunity and TFS Rejection.