... specific requirements, including the 650nm red source and the 1310/1550nm wavelengths for single mode fiber or ... Optic MeasurementsSpecifications TypeTAM8702Wavelengths(nm)6501310/1550850/1300850/1300/1310/1550Emitter TypeFP-LD,LED or others please ... Source, Protective Rubber Boot, 3pcs 1.5V batteries,Instruction Manual, Cotton Tampon and Soft carrying case. china Optical laser Source(light source ...