Whistler Cordless/Corded Laser/Radar Detector</br></br>Product Description</br></br>The Whistler XTR543 laser radar detector is a full featured radar detector which detects POP mode radar?? provides Real Voice?? alerts?? and offers a red alpha-numeric text display. The XTR-543 also features dual LED alert periscope and two blue LED's sit atop which flashes when you receive an alert?? helping to