5mm Premium Round Water Clear LEDs – TruOpto OSY5PA5C31C, A yellow, 6000mcd premium 5mm LED that has a round, water clear lens and features a very high luminous intensity. The specification of this LED lamp makes it ideally suited to applications such as traffic signals, backlighting, signal and channel letter, and a wide range of other lighting tasks. TruOpto OSY5PA5C31C 5mm Yellow LED 30° 6000mcd Water Clear