The U-MD-650A1 from UNION OPTRONICS CORP. is a Laser with Power 0.45 to 0.85 mW, Wavelength 645 to 660 nm, Output Power (CW) 0.45 to 0.85 mW, Operating Temperature -10 to 60 Degree C, Storage Temperature -25 to 70 Degree C. More details for U-MD-650A1 can be seen below.