SWR 120 Standing Meter, DIY Digital Power Standing Meter, Short 1.8MHz to 50MHz 120W Digital Display FM AM CW SSB SWR Power Meter Black

No Power Supply: DIY digital power standing meter, small and portable, built in rechargeable battery, no external power supply. Digital Display: SWR meter can directly display forward power, reflected power, antenna power, antenna efficiency, standing , battery voltage. With Indicator: Red light is displayed when charging under power on, green light is displayed when full, yellow light is displayed when undervoltage. High Accuracy: Digital standing meter's accuracy meets the needs of amateurs, high standing , battery undervoltage buzzer alarm function. Power Range: 0.5W‑120W (up to 200W, below 120W long term test recommended FM, AM, CW mode, SSB mode optional), one touch display, mode switching function.