The Uniden R3 provides the same performance that Uniden radar detectors are famous for. Robust features include long-range radar/laser protection and advanced K Band filtering to minimize false alerts from blind spot monitors and collision warning systems. GPS functionality provides for notices of red light camera locations. BUILT-IN GPS WITH AUTO MUTE MEMORY The R3 can remember and automatically mute false alerts (such as retail store door alarms) along your routes so you never have to listen to the same false alert twice. MULTI-COLOR OLED DISPLAY An easy-to-read display allows for more useful information to be displayed at once, improving your overall situational awareness. VOICE ALERTS Voice alerts provide clear communication allowing for hands-free operation. Voice alerts are programable to fit your style so you can keep your eyes on the road with no distractions. ADVANCED K/KA BAND FILTERING The R3 has the best K/KA Band filtering resulting in fewer false alerts from blind-spot monitoring and collision avoidance systems. RED LIGHT/SPEED CAMERA ALERTS Pre-loaded Red Light and Speed Camera locations with free database and firmware updates ensure your radar detector will always be up-to-date. *******IMPORTANT******* This is the Uniden R3 Matte Black Extreme Voice Alert Radar and Laser Detector. This the Unit And a aftermarket Car Charger Only It powers the unit just fine. The mute button on the car adapter itself may not work, But the Uniden R3 Radar detector itself runs 10