KKmoon Mini Satellite Signal Finder Meter For Sat Dish LNB DIRECTV Compatible with DirecTV, Dish Network, and Free-to-Air satellite Systems. Audio tone plus analog signal strength meter display. Illuminated meter display for night using. Allows you to setup or maximize your satellite signal reception at the dish by yourself without others' assist or having to make multiple trips to your roof. Extremely sensitive meter that indicates very small - changes in signal strength.