The Erbius-SF-1550m from Optromix is a Laser with Wavelength 1550 nm, Power 50 mW, 100 mW, 200 mW, Output Power (CW) 50 mW, 100 mW, 200 mW, Operating Temperature 10 to 50 Degree C, Storage Temperature 40 to 70 Degree C. More details for Erbius-SF-1550m can be seen below.