The Cobra RAD 450 keeps drivers aware of their surroundings while protecting them against all radar and laser guns used today. Its Anti-Falsing Circuitry & Updateable In-Vehicle Technology (IVT) Filter not only reduces false alerts from blind spot systems and traffic flow monitoring devices, but also eliminates erroneous alerts from sources like collision avoidance systems, so users hear just what they need to hear. The OLED display and VoiceAlert provides intuitive band identification and easy-to-understand alerts for an accurate and informed drive. The RAD 450 comes pre-programmed for both English & Spanish voice and text alerts. Radar/Laser Protection Detects all radar signals (X, K and Ka bands signal strength indicated), laser and VG-2 signals Laser Eye Detects laser signals from both front and rear Updatable IVT Filter™ User updatable system automatically reduces false alerts from moving In-Vehicle Technology sources such as collision avoidance systems and traffic flow monitoring devices VoiceAlert Digital voice announcements help keep your eyes on the road Instant-On Ready Detects radar guns with “instant-on” (very fast) speed monitoring capabilities Eye-Catching OLED Display Bright white OLED display features band identification icons and numeric signal strength meter Audible Signal Strength Levels Unique tones provide signal strength and band identification Dual Language English and Spanish voice and text alerts