The APA4501040002 from Coherent Corp. is a Laser Diode with Wavelength 840 nm, 850 nm, 860 nm, Output Power 1.5 to 2.2 mW, Output Power 1.5 to 2.2 mW, Threshold Current 0.7 to 1.2 mA, Operating Voltage 2.1 to 2.2 V. More details for APA4501040002 can be seen below.