Features 1、STABLE AND PRACTICAL: Adopt good quality metal shell, possess stable and reliable performance, practical, easy to operate and use, long service life 2、FOR RADIO STATIONS: Antenna tuner automatically tunes without any control wires, suitable for most radio stations 3、0.96IN DISPLAY WITH HOUSING: Mini shortwave automatic antenna tuner come with Type C charging port, 0.96in OLED display 4、EXCELLENT CONFIGURATION: C channel capacitors adopt good quality 1000V high voltage SMD capacitors, and advanced PIC chips. UHF Connector 5、CORROSION RESISTANT ALUMINUM ALLOY: Made of good quality aluminum material, light weight, possess good strength and good corrosion resistance Specification Item Type: Antenna Tuner Material: Aluminum alloy Model: ATU-100 Display: 0.96in OLED Operating Frequency: 1.8-55 MHz Battery Model: 3.6V lithium battery 1350MAH USB Charging Current: 1A Maximum Operating Power: 100 watts Maximum Possible Measured Power: 150 watts 1 Watt: Necessary to start setting the minimum power Minimum Possible Measured Power: 0.1 watts Measurement Steps With Power Up To 10W: 0.1W When Robust Measurement Steps STI Above 10 Watts: 1 watt Power Measurement Accuracy: 10% Specified Maximum Inductance: 8.53uH capacitance Minimum Installation Step Size of Inductor: 0.05μH Maximum Mounting Capacity: 1869 pF Capacitor Minimum Installation Step: 10 Package List 1 x Host 1 x USB Cable 1 x User Manual