1> red & white 3528 smd 2> 140 degree dual colors diode 3> 620-635nm smd led 4> used in TV set, backlight, mobile etc Specifications chip: AlInGaP InGaNemitted color: red (pin 1,2) white (pin3,4)resin: water clearvoltage: red 1.6-2.4V, white 2.7-3.2Vluminous intensity: red 10-40mcd, white 60-150mcdreverse current: red/white 10uAwavelength: red 630nmspectral line half-width: red 20nmbeam angle: ...