The LNCT28PS01WW from Panasonic Corporation is a Laser Diode with Wavelength 656 nm(Red) to 791 nm(IR), Output Power 0.1 to 0.2 W, Operating Voltage 2.4 to 3 V, Operating Current 0.128 to 0.275 A, Threshold Current 45 - 80 mA. More details for LNCT28PS01WW can be seen below.