This app can connect to the SANWU laser power meter probe through BLE bluetooth, read the built-in parameter information of the device, display the current laser power data, and can also display the power curve data over a period of time, calculate and display the minimum, maximum and average power data. The working range, wavelength and other parameters of the probe can be set through the app. The calibration function can be used in conjunction with a standard laser source to calibrate the sensor's reference point data.