1. ATU-100 Antenna Tuner: High power measurement accuracy, automatic antenna tuner covers everything from 1.8 - 30 MHz.2. Efficient: HF auto tuner is low power consumption, energy saving and environmental protection.3. Easy to Use: Antenna tuner has stable performance and convenient use. Adopted by N7DDC+0.91 OLED V3.1.4. High Quality: Excellent material and fine workmanship, antenna tuner is an exquisite product for use.5. Portable: Size: about 200 x 120mm/7.9x4.7in, automatic antenna tuner is small and , easy to carry.: ELECTRICALModel Number: Antenna TunerPower supply voltage: 10-15VDCMaximum current consumption: 400mAMaximum working power: 100WMaximum possible measured power: 150WMinimum power required to start tuning: 5WMinimum possible measured power: 0.1WMeasurement steps for power up to 10W: 0.1WMeasurement steps for power 10W: 1WPower measurement accuracy: 10%Maximum installed inductance: 8.53uhMinimum installed inductance step: 0.05uhMaximum installed capacitance: 1869pfMinimum installed capacitance step size: 10PFNumber of panel buttons: power, direct, automatic, functionalDisplay: 0.91 ledColour:blackMaterial:aluminum alloyPackage Contents:1 x ATU-100 HF Auto TunerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.