MX-120 1.8-50M 120W SWR & Power Meter FM-AM-SSB Rechargeable SWR Power Watt Meter with OLED Display Features: – Compact size makes it easy to carry – Built-in rechargeable battery – No any setting needed – Forward and reverse power and standing waves can be displayed simultaneously – Its accuracy meets the needs of radio amateurs Specifications: – Frequency range: 1.8MHz-50MHz – Case dimensions: 63 x 88 x 38mm/2.5 x 3.5 x 1.5″ (excluding the size of protrusions) – Measurement accuracy: < ±5% – Measuring range: 0.5W-120W (below 120W when used in FM, AM, and CW modes for a long time) – Standing wave range: 1.0-99.99 – Interface type: SL16 (M connector) – Charging interface: Type-C – Shell material: aluminum alloy – Battery capacity: 1000mAh – Weight: 190g/0.4lb – Insertion loss: <0.1dB – Indicators: red CHARGE (charging indicator), green FULL (finished charging) and yellow WORK (operating indicator) Buzzer Alarm: – When the standing wave is high, the buzzer will alarm. The buzzer will alarm at low voltage. – When the standing wave is greater than 2.5, the buzzer will intermittently prompt. – When the standing wave is greater than 3.0, the buzzer will prompt continuously. – When the battery is under-voltage, the buzzer will continuously prompt. Package Included: – 1 x SWR Power Meter Note: – There is no display interface in English. – Jumper is not included.