The DI635-1-5(9x21)-F100-AP from Picotronic is a Laser with Wavelength 635 nm, Power 1 mW, Output Power (CW) 1 mW, Operating Temperature -20 to 50 Degree C, Storage Temperature -40 to 80 Degree C. More details for DI635-1-5(9x21)-F100-AP can be seen below.