The GLDM-4V-520 from Laserex Technologies is a Laser with Wavelength 520 nm, Power 0.001 to 0.015 W, Output Power (CW) 0.001 to 0.015 W, Operating Temperature -15 to 60 Degree C, Storage Temperature -40 to 80 Degree C. More details for GLDM-4V-520 can be seen below.