Features 1、Handheld Design: The portable fiber light power meter handheld design allows for easy maneuverability and comfortable use, making it ideal for on the go testing scenarios without sacrificing accuracy or reliability. 2、Stable Light Source: With a stable light source and high stability output power, this fiber optic cable tester guarantees consistent and precise testing results, ensuring that you can rely on its performance for all your fiber optic testing needs. 3、3 Modulation Frequencies: This optical fiber power meter's three modulation frequencies provide flexibility for different testing requirements, allowing for versatile applications and ensuring compatibility with various systems and configurations. 4、Excellent ABS Casing: The protective ABS casing of this optical power meter not only adds a layer of durability to the tester but also offers peace of mind by preventing damage from accidental drops or collisions, further extending the lifespan of the device. 5、Wide Application: This optical power meter has a wide range of applications, which can be used for optical network monitoring, optical communication debugging, network troubleshooting, fiber optic connection quality testing and so on. Specification Item Type: Optical Fiber Power Meter Material: ABS Detector Type: InGaAs Wavelength Range: 850-1650nm Measurement Range: -70-+10dBm Resolution: 0.01dB Accuracy: ±2dB Power: 10mW Connectors: Red Light Port, Optical Power Port Battery Type: 1 x Lithium Battery (800mAh) (Included) Operating Temperature: -10-+60°C Frequency Identification: 270, 330, 1kHz, 2kHz Red Light Source Interface: 2.5mm Universal Package List 1 x Fiber Optic Power Meter 1 x USB Cable