Features:Output Power 500mw Wavelength 808nm Working Voltage 1.8VDC Working Current 500mA Working Temperature -10 ℃~＋40 ℃ Dimensions TO18 (5.6mm) Details:This Infrared laser diode has no PD， is an industrial electronic component and used for as Industrial testament， Lab， DIY.The laser diode is and precise and sensitive optical instrument. Before carrying on some laser DIY activities， please read about the technical information first and protect your eyes before laser ray. Be sure the operator has experience in optics DIY or testing. and Don't operate when the power is connected. Package: 1X 5.6mm 500mW 808nm Infrared IR Laser Diode No PD