The D6-5-635-20 from Egismos Technology Corporation is a Laser Diode with Wavelength 630 nm, 635 nm, 645 nm (Peak), Output Power 20 mW, Output Power 20 mW, Operating Voltage 2.3 to 2.5 V, Operating Current 70 to 85 mA. More details for D6-5-635-20 can be seen below.