The V105Q121A-940 from ams OSRAM is a Laser Diode with Wavelength 931 nm, 940 nm, 949 nm (Peak), Output Power 2.85 to 3 W, Output Power 2.85 to 3 W, Operating Voltage 1.95 to 2.45 V, Operating Current 4 A. More details for V105Q121A-940 can be seen below.