Satellite Signal Meter Commercial Grade Strength Level Finder Great product for the Do-It-Yourself Easily set up satellite dishes on RVs, motor homes, picnic tables, truck, decks, roofs, or anywhere you want to setup your dish. High sensitive illuminated meter metal case Make adjustments yourself without a secondary helper What took 30 minutes now takes 30 seconds No more waiting on hold on a service provider's customer service line 75 Ohm 950MHz-2050MHz input Input level 40dBm-10dBm Power requirement 13V-18V DC supplied by receiver No batteries required, it is powered by the receiver. It has a built in light and audio tone. Works with DSS DirecTV, Dish Network, ExpressVu, FTA MPEG2 / DVB receivers, plus other digital and analog satellite systems. Works with C band or KU band satellite signals.