SKY24019 Analog Satellite Finder with Tone makes tuning C-band, Ku-band, and even Digital a breeze. You'll be amazed at how easy it is to precisely align your dish so you can send the strongest signal to your receiver. Make sure you get the finest picture while saving money on expensive service calls. An inexpensive way to tune in a satellite dish. Unit has a meter and features a tone that changes as the signal strength increases. Powered by the satellite receiver.