A new kit for raspberry, it has several parts, a clear 9 Layers protection case box that compatible with raspberry Pi B+/ 2B/3B. A 5 V 2A power supply adapter and micro usb cable which has ON/OFF switch to control the power supply for raspberry pi. Also the Aluminum heat sinks kit and high-powered cooling fan be added. At last- 3.5" inches LCD 480x320 touch screen:Upgraded for Raspberry Pi B+/ 2B/3B; No external power supply needed. Wi-Fi usb adapter and GPIO kit will let your pi surf on the internet and use more function. You can quite easy to master your pi as long as you use this kit.