Display: Automatic antenna tuner has a 0.91 inch OLED screen for clear parameter monitoring.
^^ Capacitor: QRP tuner uses NPO capacitors with 250V withstand voltage for accuracy and stability.
^^ Connector: BNC connector is made of copper for good conductivity and stable radio connections.
^^ Rings: Magnetic rings use iron powder for low loss and minimal heat generation.
^^ Relay: Self locking relay ensures efficient and reliable operation in antenna tuning.