Features The signal pointer can detect even very small changes in signal strength, its quite sensitive and have sound indication for you. You can get the best satisfied signal with it. Enjoy purchasing The TV finder is compatible with DirecTV, dish network and free-to-air satellite systems, very easy to used only by yourself. Illuminated display screen is convenient to read even at night; The digital satellite finder supports various measurement type which are signal strength, signal quality, ber, pwr. You need no longer move your TV and dish out to searching for signal. Suitable convenient no matter for household using or technical using; The digital signal meters support OEM and ODM along with - 40 to -10 dBm input level range and 75 impedance. Big LCD screen supports clearer reading and all information will show on it. Just follow the guide book, you can get hand of it immediately; With battery, the digital signal finder supports long hours operation. No corrosion, no rust, it will help you to keep searching until you find the best signal. Power supply: 13-18V DC, Gain: 10dB. Frequency range: 950-2150Mhz. Supply voltage: 13-18V DC. Impedance: 75Ohm. Operating Temp: 0-40 degrees. Input Level Range: -40-10dBm. Size: show as pictures. Color: show as pictures. Package included: 1 * TV Receiver Decoder. 1 * User manual.