Feature: 1). Built-in signal strength meter with compass, light, and buzzer indicators for accurate satellite dish alignment. Ideal for satellite installations. 2). Equipped with blue backlight for nighttime use. No recalibration or complex programming required. 3). LCD displays signal intensity. Automatically detects LNBF frequency. Compatible with C, Ku, and Ka band satellites. Plug and play design. 4). Compact and lightweight design. Powered by the TV receiver. Suitable for outdoor use. Specification: Type: Satellite Signal Finder Body Material: Plastic Size: 130 x 65 x 27mm Frequency Range: 950-2150MHz Input Level Range: -40 to -10dBm Impedance: 75 ohms Gain: 10 dB Operating Temperature: 0°C to 40°C Color: As shown in picture Package Contents: 1 x Digital Satellite Signal Finder Note: No external power supply needed. Device operates when connected to a TV box and satellite dish. Package includes only the items listed above. Other accessories are not included. Due to lighting effects and display differences, the color of the item may vary slightly from the images. Measurement error allowed is +/- 1-3cm.