The VLM-635-04 LPT from Quarton Inc is a Laser with Power 0.0025 W (2.5 mW), Wavelength 635 nm, Output Power (CW) 0.0025 W (2.5 mW), Operating Temperature 15 to 30 Degree C, Storage Temperature -20 to 65 Degree C. More details for VLM-635-04 LPT can be seen below.