The VLM-635-37 LPT from Quarton Inc is a Laser with Power 0.002 W (2 mW), Wavelength 635 nm, Output Power (CW) 0.002 W (2 mW), Operating Temperature 20 to 50 Degree C, Storage Temperature -40 to 70 Degree C. More details for VLM-635-37 LPT can be seen below.