-Bi-Color LED Lamps- 509URYGC 509URYGC is a dual color LED which got 5mm lens diameter, 8.7 high and 2.54mm pin spacing. With this bi-color LED lamp, you can get kinds of LED as you need, such as red color, yellow led color and the mixed from red and yellow, which is orange~ Bi color LED are mainly used in: signal indicator (power amplifier, TV, telephone, computer or information peripheral products, toys, small household appliances, etc.) The basic characteristics are as follows (IF=20mA) 1. luminous color: dark red and yellow green, and the average visible wavelength is 625nm, 570nm LED…