Item Type: TV Signal Finder Material: Plastic Frequency Range: 170-860MHz Input Level Range: 65-95dBuV Impedance: 75 Insertion Loss: 5.0dB Supply Voltage: DC 9-12V Battery Type: 6 x AA Alkaline Batteries (Not Included) Package List 1 x TV Signal Finder 1 x Power Cord 1 x Battery Box 1 x Instruction Manual 1[Convenient And Intuitive] TV signal finder, TV antenna makes it easier for the meter to locate the satellite signal. Feedback numbers visually show the signal strength. 2[Large Range And High Accuracy] Digital TV signal finder measurement range of 170 to 860MHz, input level range of 65 to 95dBuV, measurement accuracy of 40 to 10dBm. 3[Backlight Function] This mini TV signal finder meter has a backlight function, which is convenient for you to use at night with clear data reading. 4[Main Features] The TV antenna signal strength meter creates a digital TV era for you to enjoy a happy life. With excellent sensitivity, stable and reliable to use. 5[Compact And Portable] TV antenna signal strength detector has a mini elegant appearance, light weight, easy to carry, convenient to use anywhere and anytime.