Cobra ESD-777 12 Band Police Cop Laser Detection Radar Detector w/ Safety Alert LaserEye Provides 360 detection of laser signals. Detection And Separate Alerts For Radar signals (X, K and Ka bands, with signal strength indicated), laser and VG-2 signals Instant-On Ready detects radar guns with "instant-on" speed monitoring capabilities Safety Alert warns driver of emergency vehicles and road hazards from system equipped with Safety Alert transmitters. UltraBright Data Display provides easy to recognition of band detected by use of identification icons.