Brand Elecfreaks Model Transistor Kit Quantity 110 Color Black Material FR4 Specification Transistor Kit is one of the most basic kit. There are 11 kinds in total each kind with 10 PCS illustrated as follows: S8050 S8550 S9012 S9013 S9014 S9015 S9018 2N5551 2N5401 A1015 C1815 Features DIY transistor kit Application Great for Arduino test development DIY project English Manual/Spec Yes (electronic format) Other A product for Arduino that works with official Arduino boards. Note: Please forgive our negligence because of heavy work if you receive product slightly different from the description in quantity and classification. Packing List 1 x Transistor Kit (including 110 PCS)