High power range --50~+26dBm , Wave ID nm: 850,980,1300,1310,1490,1550,1625:: User self calibration function, Comfortable LCD display and optional backlight LCD display supports night operation, Power measurements in dBm or mw and insertion loss in dB. ::Maintenance in Telecom, Maintenance CATV, Test Lab of optical fibers, Other Fiber Optic Measurements :: Pack lists: Power Meter 1unit, FC/ Universal 2.5mm adaptor + SC Adadptor, 1pcs manual