Mini 4 In 1 Optical Power Meter,FTTH Optical Fiber Network Cable Test Tester,Visual Fault Locator 5km 20km 30 KM VFL ,Wide Measuring Range

Type-C interface:Charge everywhere Lithium battery:Stable power management, safer charging and safer use. High-precision:OPM850/1300/1310/1490/1550/1625nmAccuracy ±0.2dB2.5mm universal connector for FC/SC/ST adapters Stable source:Easily penetrate long-distance optical fibersUse together to improve work efficiency Hide without revealing:Built-in remote cable module, integrated with the host.