Kit Specs:

High-Quality Power Supply ~2.5A 

• Material: ABS
• Color: Black 
• Size: One Size
• Plug Type: US
• Output: DC  5V 2.5A
• Compatibility: for Raspberry Pi 2 / 3 B B+

Heat Sink

• 3 pcs of the aluminum heat sink with choice of Black OR Silver Aluminum.
• Reduces heat on processors. 
• Have a thermal pad.
• Instruction to use: Peel off the thermal sticker and install on the top of CPU.