The VLM-635-27 LPT from Quarton Inc is a Laser with Wavelength 635 nm, Power 0.002 W (2 mW), Output Power (CW) 0.002 W (2 mW), Operating Temperature 10 to 40 Degree C, Storage Temperature -20 to 65 Degree C. More details for VLM-635-27 LPT can be seen below.