1. 200W digital power standing wave meter 2. Support direct reading of forward/reverse, power/standing wave parameters 3. 4.3-inch IPS color LCD display (resolution 480*272) 4. High standing wave alarm function (standing wave alarm point can be set) 5. Delay shutdown function (shutdown time can be set) 6. Launch automatic boot function 7. Battery undervoltage protection function 8. the progress bar function 9. Power fine-tuning function (±20%) 10. Standing Wave fine-tuning function (±20%) Colour:Black Material:plastic Package Contents: 1 x standing wave meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.