4in1 Li-Lion Battery Optical Power Meter，Visual Fault Locator Network Cable Test，Optical Fiber Tester VFL

4in1 Li-Lion Battery Optical Power Meter Visual Fault Locator Network Cable Test Optical Fiber Tester VFL OPM Connector 2.5mm universal connector Calibrated Wavelengths 850/1300/1310/1490/1550/1625nm Display Range -70~+10dBm\-50~+30dBm Resolution 0.01dB Modulation Test 270/330/1k/2kHz VFL Connector 2.5mm universal connector VFL Power 10mW , 20mW or 30mW LED Yes RJ-45 Cable Test Yes Data Line Interface Type-C Battery rechargeable lithium battery Weight 95g Size 100mm*59mm*28mm