Whistler DE1740 Laser Radar Detector with Voice Alert All-band laser radar detector with X, K, and Ka Superwide radar band compatibility VG-2 cloaking technology hides device from police surveillance equipment for added stealth 360-degree detection scans signals from every angle; RealVoice audible voice alerts Safety Warning System identifies upcoming traffic, construction, or weather hazards 3 city modes and highway mode; 3.15 x 1.45 x 5.35 inches (W x H x D); 1-year warranty