1MAIN FUNCTION: With this WIFI analyzer, you can easily view the frequency points, adjust your own WiFi, switch to a relatively empty frequency point, and improve the WIFI signal quality. 2TFT COLOR SCREEN: This WIFI analyzer adopts a 4 inch TFT color display screen, allowing you to clearly see data. 3BATTERY DISPLAY: There is battery power display in the upper right corner of the screen, making it easier for you to charge the analyzer in a timely manner. 4LONG STANDBY: Built in 600mAh lithium battery, with a working current of around 160mA, the network analyzer has a standby time of about 4 hours. 5LIGHT INDICATION: TYPE C interface, convenient for charging, with a charging voltage of 5V, the red light indicates charging, and the green light indicates fully charged.