1Lower energy consumption, longer lifetime, improved physical robustness, smaller size, and faster switching 2There are total 300 pieces of LEDs in 10 types in this set which will meet you basic needs 3All LEDs are well packed and assorted in a transparent box for convenient storage 4Convenient for DIY and repair equipment and electrical appliances of home, office and industry 5This is a great assortment of LEDs for electronic professionals or enthusiasts
