This Vixar 680nm Multimode Laser Diode in Red is a high-quality product suitable for various applications. With its TO-46 3 lead pkg., this laser diode module has a wavelength of 680nM, making it ideal for physical laboratory and ophthalmology disciplines. The brand is reputable and the product is designed to provide efficient and reliable performance. It is perfect for use in laser printers, barcode scanners, and other applications where a reliable laser diode is required. See my other listing for same laser diode with pre-soldered and shrink tubing leads (red & blk.) @ $20 each.