Features:AT-100M universal antenna tuner Built-in lithium battery: With 3300mAh polymer ultra-thin lithium battery, the average tuning time is about 15 hours. Type-C interface charging facilitates outdoor uses. Suitable for transceiver antennas. No need for professional data cables, featuring simple wiring and good versatility. Fit most radio stations. High withstand power. Supports multiple modes, including SSB/CW/AM/FM/FT8. Adopting reasonable routing of signal cable, magnetic powder core, high-quality copper wire, its instantaneous withstand power can reach 120W in SSB mode ( x FT8 digital mode transmit power should not exceed 50W). Multifunctional: it can be used as a antenna tuner, power meter and SWR meter. Using 0.91 inch high-definition OELD display, there are six status interfaces to choose from. Support bar graph and curve graph to visually display VSWR, forward direction power, and reverse power. Built-in buzzer: When the button or standing wave exceeds the threshold, it will automatically sound an alarm, effectively avoiding damage to your radio. The system supports 16 parameter configurations, which are suitable for advanced players to customize their own tuning system. Buzzer switch, storage quantity, automatic tuning switch, automatic storage quantity, automatic starting and tuning of standing wave, radio station type can be set. Specifications: Frequency range: 1.8-30MHz Power range: 1-18MHz or SSB/CW, 0.1W-100W; 18-30MHz or FM/AM/FT8, 0.1W-50W Battery capacity: 3300mAh Charging current: USB Type-C 5V 1A Charging time: about 4 hours Standby time: about 150~200 hours (without tuning action) Tuning time: about 10~25 hours (start 1-3 relays) Color: black Material: metal Package Contents: 1 x Antenna Tuner 1 x Type-C Charging Cable Only 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.