The ML-SHW-635-03-LH from Frankfurt Laser Company is a Laser with Wavelength 630, 635, 640 nm, Power 0.003 W, Output Power (CW) 0.003 W, Operating Temperature -10 to 50 Degree C, Storage Temperature -20 to 60 Degree C. More details for ML-SHW-635-03-LH can be seen below.