Optical Meter Wire Tester Fiber Optic Power Meter 10 Wavelength ‑50‑+26dBm For
Wavelength Range: 850-1650nm. Standard Wavelength: 850, 980, 1270, 1300, 1310, 1490, 1550, 1577, 1625, 1650nm. AUTOMATIC SHUTDOWN FUNCTION: Optic power net cable wire tester has 10 minutes automatic shutdown function and fast and accurate.