Features: Lower energy consumption, longer lifetime, improved physical robustness, smaller size, and faster switching. There are total 300 pieces of LEDs in 10 types in this set 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. Specifications: Color Size(mm) Voltage(V) Current(mA) QTY White 3 3.0~3.2 20 40pcs Red 3 2.0 20 40pcs Green 3 3.0~3.2 20 40pcs Blue 3 3.0~3.2 20 40pcs Yellow 3 2.0~2.2 20 40pcs Red 5 1.8~2.3 20 20pcs Yellow 5 1.8~2.3 20 20pcs Green 5 2.8~3.6 20 20pcs Blue 5 2.8~3.6 20 20pcs White 5 2.8~3.6 20 20pcs Box Size: 13.2 x 6.8 x 2.3cm / 5.19 x 2.67 x 0.9 Package Includes: 1 Box x LEDs Note: LEDs are sorted manually, so there might be small mistakes on type and quantity. Thanks for your understanding.