Feature:1. RELIABLE AND DURABLE: The antenna tuner is made of aluminum alloy shell, which is stable and reliable, practical, easy to operate and use, and has a long service life.2. AUTOMATIC AND UNIVERSAL DESIGN: This antenna tuner adopts automatic tuning without any control wires, suitable for most radio stations. Shell does not need to be assembled, can be used directly.3. WIDE BAND: Includes a set of 7 capacitors and 7 inductors, allowing it (maximum configuration) to work effectively in a wide band, overlapping the 1.855MHz amateur radio HF band.4. PORT AND DISPLAY DESIGN: Small shortwave automatic antenna tuner, C type charging port, M mount, Organic Light Emitting Diode display, very convenient.5. INDUCTANCE AND CAPACITY: 10% power measurement accuracy, 8.53H maximum mounting inductance, 0.05H minimum step mounting inductance, 1869pf maximum mounting capacity, 10pf minimum mounting capacity.Specification:Item Type: Antenna TunerMaterial: Aluminum AlloyMaximum Working Power: 100WMaximum Measurable Power: 150WMinimum Power for Tuning Start: 5WMinimum Measurable Power: 0.1WMeasurement Step for up to 10W Power: 0.1WMeasurement Step for Power greater than 10W: 1WPower Measurement Accuracy: 10%Specified Maximum Inductance: 8.53HMinimum Installation Step for Inductance: 0.05HMaximum Installation Capacity: 1869 pFMinimum Installation Capacity: 10pFBuilt in Polymer Lithium Battery: 1350mAh.Package List:1 xAntenna Tuner1 x Charging Cable1 x User Manual