The Whistler XTR-338 Radar Detector with Real Voice Alerts</br>Laser and radar detection including audio warnings for bands received a numeric icon display for easy signal confirmation of transmission and strength</br>Alert Periscopes that flash when the unit alarms and our patented POP Mode Detection</br>Stay Alert: exclusive feature on this Whistler radar detector that tests your alertness on long trips</br>The fastest radar gun technology available. - COMPLETE INFORMATION BELOW IN PRODUCT DESCRIPTION</br></br>Product Description</br></br>Whistler Radar Detector with Real Voice Alerts:<br> <br> Whistler radar detector features include:<br> Real Voice Alerts: provide verbal alerts for modes selected and bands received allowing you to keep your eyes on the road<br> Numeric Icon Display on laser radar detector: provides distinct visual numerical symbols of alerts detected and engaged modes<br> Traffic Flow Signal Rejection (TFSR): helps eliminate alerts from radar-based traffic flow sensors<br> Alert Periscopes LEDs: on top of unit provide additional visual alert<br> Total Band Protection: X-band?? K-band?? super wideband and KA laser - the only 4 bands used for speed measurement<br> Whistler XTR-338 Radar Detector with Real Voice Alerts has 3 City Modes: reduce the annoyance "false alerts<br> High Gain Lens: provides increased field-of-view which means better range<br>