The OLD2304-M1-LTO from Optocom Corporation is a Laser Diode with Wavelength 830 nm, 850 nm, 860 nm, Output Power 0.5 mW, Output Power 0.5 mW, Operating Voltage 1.7 to 2.2 V, Operating Current 20 mA. More details for OLD2304-M1-LTO can be seen below.