Whistler XTR-220 Radar/Laser Detector with Remote X, K, Ka, and Super Wideband Ka Detection 360 degree Protection against all types of Laser Instant-On (Pulse) Detection 360 radar (X, K, Ka, superwide Ka) and laser detection # High-gain optical lens for increased laser sensitivity VG2 undetectable with alert POP, pulse and instant-on detection Safety warning system