Features: Elegant exterior and convenient to carry. Easy to operate. Left port connect antenna cable, right port connect power cable, Powered by 9V battery or 6*AA battery, satellite finder will start to work. Feedback numbers shows the strength of the signal intuitively. Variable sensitivity adjustment to work with TV both towers from near and far. Indicator dial carry with compass can help you indicates the direction. DVB-T Signal Finder TV Antenna more convenient meter to locate the satellite signal. Installations: .