1Excellent Current Performance: The transistors are made from excellent standard materials and have high voltage resistance, fast switching speeds and excellent current performance. 2Low Power Consumption: The transistors have a high inrush current transmission capability, high temperature brazing, low power consumption and high efficiency. 3Wide Application: The transistors will be widely used in audio video, DIY electronics and vehicle maintenance projects. 4Convenient Organization: The transistor kit is well organized and comes with a clear plastic box for easy storage and transportation. The storage box has compartments for each value of the transistor, making it easy to find the component that you need quickly. 5Easy to carry: With 840 transistors in one box, which is compact and lightweight, making it very easy to take on the go for all your needs.