The LG650-3-5(10x21)-F500 from Picotronic is a Laser with Wavelength 650 nm, Power 3 mW, Output Power (CW) 3 mW, Operating Temperature -20 to 50 Degree C, Storage Temperature -40 to 80 Degree C. More details for LG650-3-5(10x21)-F500 can be seen below.