The S85300MG from Roithner Lasertechnik is a Laser Diode with Wavelength 840 to 860 nm, Output Power 0.3 W, Operating Voltage 1.85 to 2 V, Operating Current 0.435 to 0.47 A, Threshold Current 115 to 130 mA. More details for S85300MG can be seen below.