Basic fibre test kit with 850NM source. Kit Content: 33-926 Light source, 850nm VCSEL/Laser with ST, SC and FC adapters 33-927 Power meter, 4 wavelength with universal 2.5mm and fixed FC adapter, 2 x FC-SC 50um multimode cables, 1 SC calibration coupler, carrying case, user manual in English, Spanish, German, French, Portuguese, Italian and Chinese.