Whistler XTR-335 Real Voice-Alert Radar Detector Real Voice Alerts - selectable Patented POP Mode Detection Numeric Icon Display Exclusive Low Profile Periscopes Dim/Dark Mode Radar/Laser detector provides 360-degree alerts for radar and laser signals, POP mode alerts, Safety Warning System alerts Integrated Real Voice technology articulates band identification, SWS messages, feature selection out loud Brilliant numeric icon display indicates power, city mode, radar band identification; with seven-segment signal strength meter VG-2 cloaking technology makes you invisible to radar detector detectors; 3 City Modes and Highway Mode for reducing false alerts; dim/dark mode One-year warranty