Features 1、ACCURATE AND PORTABLE: Optical power meter is accurate in measurement with an error of less than 0.2dB, pocket design, mini and compact. Equipped with LED lights, which is more convenient to check the line construction in the dark 2、APPLICABLE INTERFACE: Mini optical power meter support network line sequence measurement, signal transmission judgment, universal interface design, suitable for SC, ST, FC interface 3、7 WAVELENGTHS: Optical power meter with automatic wavelength memory function, a total of 7 wavelengths, 850, 980, 1300, 1310, 1490, 1550, 1625 nm 4、THRESHOLD WARNING: Fiber light meter support threshold setting and automatic judgment. After setting the threshold, the screen display a red warning when the measurement result is lower than the set value 5、MULTIPLE FUNCTIONS: Optical power meter visual fault locator support network testing, accurately measure network sequence, determine signal transmission, and facilitate portable storage to prevent loss Specification Item Type: Optical Power Meter Network Test: Interface RJ 45 Wavelength Range: 800~1700(nm) Probe Type: For InGaAs Interface: 2.5mm universal interface Power Measurement Range: -50~+26dBm Accuracy: ±0.2dB Standard Wavelength: 850, 980, 1300, 1310, 1490, 1550, 1625(nm) Display Resolution: 0.01dB Operating Temperature: -10 ~ +60(℃) Storage Temperature: -25 ~ +70(℃) Automatic Shutdown Time: 10 min Power Working Time: Battery Model: 20 Hours(only under the operation of optical power meter) LED Flashlight: Supported Power Supply: 2 x AA battery(not include) Size: Approx. 112 x 57 x 31mm / 4.41 x 2.24 x 1.22in Package List 1 x Optical Power Meter 1 x Carrying Bag