The Uniden R4 extreme long range Radar/Laser Detector incororates two low noise amplifiers and a Digital signal processor with GPS. Red-light and Speed camera alerts provide ultimate protection. Features advanced K/Ka band filters, voice notifications, GATSO detection, ultra-bright multi-colored OLED display for easy day/night viewing that displays radar band frequency, current speed, battery voltage, altitude & clock, Spectre elite undetectable, Max speed warning, auto mute memory that locks out false alert locations, upgradeable firmware. Includes dual and single suction windshield brackets, cig adapter with mute key and USB jack, carry case.