The RLS2 will reject alerts from traffic flow sensors usually encountered during highway driving. | Offers multiple ways to silence alerts, including automatic volume reduction. | Adjust the intensity of the display depending on the time of day or your visual preference. | Everything you need to install the RLS2 is included: Fully-adjustable windshield mounting bracket with suction cups, a standard coiled power cord with 12V outlet adapter, and a straight power cord for a custom hardwired installation. | Great looking and easy to read, day or night. Easily adjust the brightness to suit your driving environment. Default display shows your filter setting, compass direction, and speed reading.