4in1 Optical Power Meter Visual Fault Locator,15KM Light Pen LED Lighting OPM Network Fiber Optic Cable Tester Tool Rechargeable ,Wide Measuring Range

1.Support lighting,Support automatic shutdown,Support backlight selection, 2.Support wavelenghth memory function,Support user calibration. 3.Support FC/SC/ST 2.5mm universal interface,Support RJ45 testing, 4.Support simultaneous disply of linear mW and non-linear index dBm. 5.The light power meter & VFL ,Test precision, fine workmanship, easy to carry,completely replace the optical power meter and red pen 2 products.