【Professional Design】 This high-precision calibration instrument is expertly crafted for amateur users. With superior performance accuracy compared to similar products, it features anti-magnetization technology for enhanced reliability. 【Purpose】 The device can measure day difference, polarization, amplitude, frequency, dotted line, waveform graph, and rise angle settings. It also offers connectivity to Android smartphones for convenient usage. 【Compatible With】Designed to integrate seamlessly with professional power amplifier circuits and vibration sensors, it features a fully enclosed noise reduction and sound insulation cavity. Compatible with desktops, laptops, and tablets running Win XP, 7, 8, and 10. 【Rugged and Reliable】 Built with microelectronic circuits, this tool avoids magnetization during tests. Its durable housing is made from hard plastic for exceptional reliability. 【Wide Application】Ideal for watch enthusiasts and watch repair shops, this tool serves a variety of practical applications.