Feature 1Customized Settings: This power meter supports multi display interface one button conversion function. You can not only customize the standing wave alarm setting, but also customize the shutdown delay time setting. 2Multiple Functions: Power Standing Wave Meter supports time delay shutdown function, automatic function, battery undervoltage protection function, LED double indication function. 3Easy To Carry: SWR meter is small and light, which makes it easy to carry and store, suitable for indoor and outdoor use. 4Digital Display: The standing wave meter has a digital display that directly shows forward power, reflected power, antenna power, antenna efficiency, standing wave, battery voltage and accuracy. 5Simple Operation: This standing wave meter power range of 0.5 to 120w, and the standing wave meter control layout is convenient and easy to operate.Item Type: SWR Power MeterMaterial: Aluminium AlloyBattery: Built in 3.7V/900mAh Rechargeable Lithium Battery ( With Built In Battery )Basic Parameters:Frequency Range: 1.6-50MHzPower Measurement Range: 0.5W-150WVSW Measurement Range: 1.0-99.9Insertion Loss: <0.12dBInsertion Standing Wave: 1.6-30MHz1.02, 30-50MHz1.05Measurement Accuracy: Better Than 5%Impedance: 50Standing Wave Alarm: 2.0 Intermittent Alarm, 3.0 Continuous Alarm ( With Stop Function )RF Interface Type: SL16-MDisplay Content: Forward Power, Standing Wave, Antenna Power, EfficiencyShutdown Power Consumption: <0.1uAScreen Size: 0.96 InchScreen Type:Organic Light Emitting DiodeData Communication: USB Type c .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x SWR Meter1 x USB Cable