The U-MD-63031 from UNION OPTRONICS CORP. is a Laser with Power 1.5 to 3 mW, Wavelength 635 nm, Output Power (CW) 1.5 to 3 mW, Operating Temperature 0 to 40 Degree C, Storage Temperature -25 to 70 Degree C. More details for U-MD-63031 can be seen below.