The RLT855-10MG from Roithner Lasertechnik is a Laser Diode with Wavelength 850 to 895 nm, Output Power 0.01 W, Operating Voltage 1.8 to 2.5 V, Operating Current 0.025 to 0.055 A, Threshold Current 20 to 50 mA. More details for RLT855-10MG can be seen below.