Cylindrical LED Lamps ihas: 1. high efficience, 2.environmental protection, 3.energy conservation, 4.usely widely. Cylindrical LED lamps are available in a wide range of shapes and sizes, from 3mm to 5mm Cylindrical type, 3mm-5mm Cylindrical Inverted Cone... Parameter:Dice materials: AlGalnp, InGaNEmitting colors:Red, Orange, Yellow, White, Green, Blue...Angle: 120 degreeReverse Voltage: 5 ...