Feature: 1. Small and portable power meter, easy to carry out to measure objects. 2. The full‑scale output signal makes the measurement data more accurate and available for use. 3. The function value used to measure the loss to ensure the safe operation of the power system. 4. Use a small flat screwdriver to adjust the rear of the calibration adjustment hole so that the title points to the full scale. 5. Automatic level control voltage display, made of iron metal material with long service life and long‑term use. Specification: Item Type: Power Meter Material: Iron Metal Model: BYS459-1500 Purpose: Used to measure the functional value of loss to ensure the safe operation of the power system. Basic Parameters: SIG:0~60 PWR:1~100 SWR:0~10 MOD :0~100 VOLT:0~15 DISC: 7~-7. Package List: 1 x Power Meter Note: If you can't find the number 60, 61 menu, these are two radio concealed menus. LONG Press the F key to open the menu settings, the first menu is set to ON, press the F key to open and exit to save the concealed menu.