... to meet specific requirements, including the 650nm red source and the 1310/1550nm wavelengths for single mode fiber ... Temperature(°C)-25~+70Dimension(mm)150x74x26Weight (g)180TAM8702 Handheld Light Source is designed for optimal use with TAM8701 Optical ... Source, Protective Rubber Boot, 3pcs 1.5V batteries,Instruction Manual, Cotton Tampon and Soft carrying case. china Optical laser Source(light source ...