Agilent Technologies/Broadcom HLMT-QL00 is a clear lens 1.99mm x 2.21mm miniature LED that lights up a brilliant yellow when 2V @ 50mA is applied. The wavelength is 590nm. Has dome on top of small rectangle and small easy to solder leads as shown. On tape and reel. Sold in a package of 25. Retail price for 25 is over $30.