The DOE221-635-5-3(16x90)-NT from Picotronic is a Laser with Wavelength 635 nm, Power 5 mW, Output Power (CW) 5 mW, Operating Temperature -20 to 50 Degree C, Storage Temperature -40 to 80 Degree C. More details for DOE221-635-5-3(16x90)-NT can be seen below.