The R4w radar/laser detector continues Uniden’s tradition of leading innovation. Featuring extreme long-range performance, a Blackfin® DSP (Digital Signal Processor), and visual and voice alerts on an OLED display. Also, Wi-Fi, Bluetooth, GPS, R/TACH app support, and our speed and red-light database, etc. With our exclusive proprietary technology, the R4W number one feature is unparalleled performance. Also, the R4w features Auto Learn which greatly reduces false alerts over time giving you the quietest ride. When you need the best, and none of the fluff, Uniden’s R4w puts you miles ahead.