Features: Lower energy consumption, longer lifetime, improved physical robustness, smaller size, and faster switching. There are total 500 pieces of LEDs in different colors which will meet you basic needs. All LEDs are well packed and assorted in a transparent box for convenient storage. Convenient for DIY and repair equipment and electrical appliances of home, office and industry. This is a great assortment of LEDs for electronic professionals or enthusiasts. Specification: Working Current: 45mA Power: 1W Size: 5mm Color: Red, yellow, blue, green, white Thermal Resistance: 5/W CRI: 60-70 Beam Angle: 8 Efficiency: 90lm/W Base Board Material: Copper Color Tolerance: 0SDCM Type & Quantity: 5mm Blue 3.0~3.2V 100pcs 5mm Yellow 2.0~2.2V 100pcs 5mm Red 2.0~2.2V 100pcs 5mm Green 3.0~3.2V 100pcs 5mm White 3.0~3.2V 100pcs Weight: 176g / 6.2oz (approx.) Package list: 1 box * LEDs