IDEAL, Multimode Kit, FiberTek, FDX, Includes: LED MM Sources And Laser SM Sources (33-990-FA01 And 33-990-FA03), Compatability: LanTEK II (any model), Connector: User Changeable Adapter (SC, FC, ST) 2.5mm Ferrule, Laser Safety: Multi-mode 850 VCSEL: Class 3, 5mW max, multi-mode 1300 Laser: Class 3, 5mW max, Single mode 1310 & 1550: Class: 3,5mW max, Power Meter Accuracy: +/- .25dB From 0dBm to -40dBm 850-1550nm, System Dynamic Range 40dB, Length Accuracy: +/-3%, Maximum Distance Measurement 3000m, Display Resolution: Power/Attenuation: 0.1dB, Length: 0.1m/0.1FT