Tune in local programming fast and easy with the Winegard SensarPro signal strength meter. Basic operation is simple, just select  foot scan foot mode and slowly rotate the Sensar antenna until the strongest signal strength is located then run a channel scan and you will be watching your favorite local broadcast shows in standard or crisp clear HD. Advanced search options are also available but not necessary for each use. The SensarPro has built in amplification to provide up to 10 decibel of gain for increased performance or the ability to lower the gain when positioned near a tower. Also handy is the adjustable audio feedback to help lock in signal when the wall plate is out of sight or reach. The SensarPro works with all Winegard Sensar antennas and replaces the existing power supply. Proudly designed, tested and built in the USA by the makers of the first RV television antenna. White.