Features Environmental Oxygen Resin: This light emitting diode is made of environmental oxygen resin, which can withstand high temperatures and is safe to use. Excellent LED Chip: This light emitting diode is made of excellent quality LED chip, which can ensure that each light is bright enough. Bright Color: This light emitting diode has high clarity and brightness with bright colors, which is perfect for use in a variety of scenarios. Wide Application: This light emitting diode is suitable for DIY LED projects, school science experiments, car decorations, signal indicators, electronic and electrical experiments and more. 5 Colors: There are five light colors in this light emitting diode set, which are white, red, yellow, blue and green, and there are 150 light emitting diodes for each color, which can satisfy your different usage needs. Specification: Item Type: LED Lights Emitting Diodes Material: Environmental Oxygen Resin, Stainless Steel Use: Suitable for DIY LED projects, school science experiments, car decoration, signal indicators, electronic and electrical experiments, etc. Package List:150 x 3mm 2.8-3.6V White Light150 x 3mm 2.8-3.6V Green Light150 x 3mm 2.8-3.6V Blue Light150 x 3mm 1.8-2.3V Red Light150 x 3mm 1.8-2.3V Yellow Light1 x Storage Box   Package List 150 x 3mm 2.8-3.6V White Light 150 x 3mm 2.8-3.6V Green Light 150 x 3mm 2.8-3.6V Blue Light 150 x 3mm 1.8-2.3V Red Light 150 x 3mm 1.8-2.3V Yellow Light 1 x Storage Box