120w digital power standing wave meter Direct reading of multiple parameters of forward and reverse power standing wave 240 x 240 full color HD display High standing wave alarm function Delayed shutdown function, mitting automatic startup function, and battery undervoltage protection function.<br><br>LED dual indication function Power fine-tuning function, standing wave fine-tuning function. One button switching function of Chinese and English menus Buzzer one key on/off function One button switching function of multiple display interfaces Customized standing wave alarm setting function Customized shutdown delay time setting function Operating frequency:1.8-54Mhz Measuring range:0.5-120W (SSB mode can reach 200w at most, and the buzzer alarm when it exceeds 200w) Standing wave range:1-99.9 (the default alarm is 2.0, and the alarm point can be manually set through the hidden function) Charging interface:Type_ c 5v/1A Battery model:3.7v/1000mAh (when the battery voltage is lower than 3.4v, the buzzer ring for charging, and it automatically shut down when the battery voltage is lower than 3.35v) Interface type:UHF (SL16) Colour:Black Material:aluminum alloy Size:Shell size:88mmx63mmx38mm (excluding protruding parts)<br><br>Package Contents: 1 * SWR Power Meter<br><br>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.