Features Wide Application: This antenna tuner and power standing oscillation meter has a broad spectrum of applications, and supports any radio station and antenna, no professional data cable is required. 2 Adjustment Modes: This antenna tuner SWR meter has two adjustment modes, it supports both manual tuning and automatic tuning modes. Compact And Portable: This antenna tuner and SWR power meter measures only 154mm x 74mm x 29mm, which is small in size and light in weight, very convenient to carry and use. Oscillation Interfaces Supported: This antenna tuner and standing oscillation meter supports 6 status interfaces, including user storage interface, bar power standing oscillation meter interface, large font interface, standing oscillation curve interface, power curve interface, relay and battery voltage status interface. Large Capacity 3300mAh Lithium Battery: This antenna tuner and antenna power SWR meter has a built in large capacity 3300mAh lithium battery, untuned standby up to 150 to 200 hours, average standby time after tuning is about 15 hours, perfect for outdoor portable operation. Specification: Item Type: Antenna Tuner Power Standing Wavemeter Material: Aluminum Alloy Model: AT 100M Pro Supported Radio: Any Radio Support Antenna: Any Antenna Frequency: 1.8-30Mhz Power Range: 1-18Mhz, SSB, CW 0.1W-100W, Peak 150W 18-30Mhz, SSB, CW 0.1W-50W 1-30Mhz, FM, AM, FT8 0.1W-50W Capacitance: Maximum 3869pF Inductance: 17.21uH Maximum CW Key: 3.5mm Jack Charging: Type C USB 5V 1A ( Support Overcharge and Overdischarge Safeguard ) Battery: Rechargeable Lithium Battery 3300mAh x 1 ( Shipped With Built In Battery ) Shutdown Current: Approx. 15uA Standby Current: Approx. 13mA, Approx. 150-200 Hours Standby ( No Tuning Status ) Tuning Standby: Starting 1-3 relays requires a current of 130-330mA, about 10-25 hours of standby. Charging Time: Fully charged for about 4 hours. LEDs are red when charging and green when fully charged. Package List: 1 x Antenna Tuner Power Standing Wavemeter 1 x L Wrench 1 x USB Cable 1 x Foot Pad 1 x Manual Notice: 1. Please calibrate the VSWP value of the device when you use it for the first time or change the radio, please refer to the instruction manual for details. 2. This power standing wavemeter can withstand different power at different frequencies or in different modes, please refer to the instruction manual for details. 3. The number of relays operating at different tuning levels will affect battery life. Package List 1 x Antenna Tuner Power Standing Wavemeter 1 x L Wrench 1 x USB Cable 1 x Foot Pad 1 x Manual