The DF520-1-5(3.8x9.15)-QCW from Picotronic is a Laser with Wavelength 520 nm, Power 1 mW, Output Power (CW) 1 mW, Operating Temperature -10 to 60 Degree C, Storage Temperature -40 to 80 Degree C. More details for DF520-1-5(3.8x9.15)-QCW can be seen below.