Feature: 1) Built-in signal strength meter with compass, light, and buzzer alerts, ideal for satellite installations or aligning satellite dishes. 2) Equipped with blue backlight for nighttime use. No need for recalibration or complex programming. 3) LCD displays signal intensity, automatically detects LNBF frequency, compatible with C, Ku, and Ka band satellites. Plug and play operation. 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 image Package Contents: 1 x Digital Satellite Signal Finder Note: No external power supply required; device operates when connected to a TV box and satellite dish. Package includes only the items listed above. Light reflection and display differences may cause slight variations between the product color in images and actual product. Measurement may vary by +/- 1–3cm.