Uniden R4 Extreme Long-Range Radar/Laser Detector with , GPS, Camera Alerts, Auto Mute The R4, by Uniden, is an all new platform with a much greater range. It has a new Auto Mute Memory feature, which automatically locks out false alert locations. The R4 also has the best K Band filter on the market, offering the least amount of false alerts from blind spot monitors and K Band sensors in other vehicles. When you need the best information possible, and none of the noise, Uniden’s R4 Extreme puts you miles ahead. Features Extreme Range Laser Radar DetectionTwo LNA (Low Noise Amplifier) DesignDigital Signal ProcessorGPS Built-in for Red Light and Speed camera locationsUltra-bright, Easy to Read, Multi-colored OLED DisplayMRCD\/MRCT (Alert priority: Laser, MRCD, Ka, K, X) with customizable tonesRed Light Camera AlertSpeed Camera AlertAuto Mute Memory - Automatically locks out false alert locationsAdvanced K\/KA Band FiltersVoice NotificationsGATSO DetectionQuiet Ride (Speed-based Auto Mute)Auto DimBogey Tone, Customizable, AlertsRadar Band Frequency Display (Current Speed, Battery Voltage, Altitude, Clock)Laser Gun IdentificationSpectre Elite UndetectableMAX Speed Warning SystemSuction Mount Included (single and double)Carrying Case IncludedCigarette Adapter with Mute Key, USB port, Data Cable, and Remote Keypad (optional accessory)Upgradeable Firmware What's in the Box R4 Radar Detector12V DC Power Cord with RJ11 ConnectorWindshield Mounting Bracket (1 Cup)Windshield Mounting Bracket (2 Cups)Hook and Loop Fastener TapeCarrying CaseData CableOwner's Manual