Features 1、Broad Frequency and High Power Handling: The antenna tuner supports a wide frequency spectrum from 1.8 to 55 MHz, making it compatible with various amateur radiobands. With a maximum power handling capacity of 120W and the ability to measure maximum 150W power, it ensures robust performance and reliability for high power applications. 2、High Measurement Accuracy and Flexibility: With a minimum measurable power of 0.1W and adjustable step for power measurement, the tuner provides highly precise and versatile power measurement. The improved power measurement calibration algorithm ensures greater accuracy. 3、Modern OLED Display and Energy Saving Features: The 0.96 inch OLED display ensures clear visibility and detailed information presentation. The customizable screen timeout feature, ranging from 0 seconds to 95 seconds, optimizes power consumption during standby, prolonging battery lifespan and reducing environmental impact. 4、User Friendly Configuration and Customizability: The intuitive configuration interface eliminates the need for complex setup procedures, making it accessible to both novices and seasoned users. The ability to customize settings such as auto mode, loss display, wire loss, and SWR trigger values offers personalized tuning experiences and enhanced operational flexibility. 5、Integrated Battery and Energy Efficiency: Featuring an internal 3.6V, 1350mAh large capacity battery, the tuner offers portability and convenience for field use. The power efficient design, ensures long operational periods between charges, enhancing usability in remote locations. Specification Name: Antenna Tuner Material: metal Display: 0.96 inch OLED Operating frequency: 1.8-55MHz Battery: 1 * built in 3.6V, 1350mAh li battery (included) USB charging current: 1A Maximum current: 300mAh Maximum power: 120W Maximum measurable power: 150W Minimum possible power measurement: 0.1W Power measurement step under 10W: 0.1W Power measurement step above 10W: 1W Power measurement accuracy: 10% Specified maximum inductance: 8.53uH capacity Minimum inductor mounting step: 0.05μH Maximum mounting capacity: 1869pF capacitor Minimum mounting step: 10pf Item size: 160 * 89 * 39mm / 6.30 * 3.50 * 1.54in Item weight: 441g / 0.97lb Package List 1 * Antenna Tuner 1 * USB Cable 1 * Guideline