The DD650-0.4-3(12x34) from Picotronic is a Laser with Power 0.4 mW, Wavelength 650 nm, Output Power (CW) 0.4 mW, Operating Temperature -20 to 50 Degree C, Storage Temperature -40 to 80 Degree C. More details for DD650-0.4-3(12x34) can be seen below.