The FFL-0.35W-635-C from FrankFurt Laser Company is a Laser Diode with Wavelength 635 nm, Output Power 0.35 to 0.5 W, Operating Voltage 2.2 V, Operating Current 0.85 to 1.4 A, Threshold Current 800 to 800 mA. More details for FFL-0.35W-635-C can be seen below.