The LB635-2.5-3(16x45) from Picotronic is a Laser with Wavelength 635 nm, Power 2.5 mW, Output Power (CW) 2.5 mW, Operating Temperature -20 to 50 Degree C, Storage Temperature -40 to 80 Degree C. More details for LB635-2.5-3(16x45) can be seen below.