Feature: 1). Built-in IF signal strength meter with compass, light, and buzzer alerts, ideal for satellite installations or aligning satellite dishes. 2). Features blue backlight for nighttime use. No need for recalibration or complex programming. 3). Uses LCD to display signal intensity, automatically detects LNBF frequency, compatible with C, Ku, and Ka band satellites. Plug and play. 4). Compact and lightweight design, powered by the TV receiver, suitable for outdoor use including camping. 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 to 40°C Color: As shown in image Package Contents: 1 x Digital Satellite Finder TIPS: No additional power supply required; device operates when connected to a TV box and satellite dish. Package includes only the items listed above; other accessories are not included. Note: Due to light reflection and screen display differences, the actual color may vary slightly from the image. Measurement error allowed is +/- 1-3cm.