Specification: Features: _x000D_With backlight function, you can use this digital signal finder at night. _x000D_Elegant exterior and convenient to carry. _x000D_Great for remote satellite antennas. _x000D_This is a great professional digital TV signal finder with excellent sensitivity. _x000D_Create a digital TV Era for you to enjoy a happy life. _x000D_ _x000D_Specifications: _x000D_Frequency Range: 170 ~ 862MHz _x000D_Input level Range: -40 ~ -10dBm _x000D_Input Level Range: 65 ~ 95 dBuv _x000D_Power Supply: 9V DC or battery pack 6 x AA Battery (Not include) _x000D_Dimension: 100 * 35 * 65mm / 3.94 * 1.38 * 2.56inch _x000D_Package Weight: 194g _x000D__x000D__x000D__x000D__x000D_Operation: _x000D_1. Connect the antenna cable to the left F Female and the battery pack cable to the right F Female. Remove any external amplifier* that may be connected to the antenna. _x000D_2. Adjust the antenna to the best position by watching the meter's reading. Higher up the scale gives a better signal. If the finder's reading becomes full scale, adjust the level control knob to reduce the reading to around 5 (Turning the knob clockwise will decrease the reading), continue to move the antenna until you have the highest possible meter reading. _x000D_3. Remove the finder and replace any amplifier that was disconnected. _x000D__x000D__x000D__x000D__x000D_Package List: _x000D_1 x Signal Finder _x000D_1 x Power Cable _x000D_1 x AA Battery Box (Batteries are not included) _x000D_1 x User Manual Features: 1With backlight function, you can use this digital signal finder at night. 2Elegant exterior and convenient to carry. 3Great for remote satellite antennas. 4This is a great professional digital TV signal finder with excellent sensitivity. 5Create a digital TV Era for you to enjoy a happy life. PackageList: