The C2021-C1 from Roithner Lasertechnik is a Laser with Wavelength 980 nm, Power 20 to 40 mW, Output Power (CW) 20 to 40 mW, Operating Temperature -10 to 50 Degree C, Storage Temperature -40 to 80 Degree C. More details for C2021-C1 can be seen below.