1. High-precision measurement——The optical power meter adopts high-precision measurement technology, which can accurately measure optical fiber optical power and optical attenuation loss. At the same time, it also has the characteristics of high resolution and wide dynamic range, which can provide reliable and accurate test results. 2. Pen-style design——The optical power meter adopts pen-style design, small and light, easy to carry and use. At the same time, it adopts a high-strength protective shell design, which can effectively protect the internal components of the instrument from damage. 3. Rechargeable and low power consumption - the optical power meter uses a rechargeable battery, which can be used continuously for several hours after being fully charged, and adopts low power consumption control technology, which greatly prolongs the battery life. 4. Multiple test modes - the optical power meter has multiple test modes, such as single point test, automatic test and continuous test, etc., which can meet different test requirements. At the same time, it also supports functions such as wavelength setting and automatic wavelength identification, which improves the convenience of testing. 5. Wide wavelength range - the optical power meter has a wide wavelength range, covering a variety of mainstream fiber wavelengths, such as 1310 and 1550 nanometers. At the same time, it can also realize the compatibility of various optical fiber interfaces through the attached adapter, and has a wide range of applications.