Features: 100% new and high quality It is one of the most useful tools that you might have to configure your plate. This device is connected between the parabolic antenna And its receptor and allows you to find the satellite without having to use the meter on your TV. This can be invaluable When you are trying to set up your plate in a tripod too far. It provides a tone rising as the signal strength go upstairs and a meter lit for night use. No batteries are required to use the gauge; it is fed by the receiver. built in light and bell electric 2150 MHz input frequency 950 Sepification: power source 13 -18V DC FREQ: 950-2150MHz Color: black Size: 79*61*35mm Model: GSF-9502 Single package: 1X Satellite Finder