Raspberry Pi 3 Model B Board:

• The updated Pi 3 Model B design is based around a B roadcom BCM2836 SoC, which includes an Quad Core ARM7 900 MHz processor
• Processor: ARM7 900MHz CPU
• USB: 4 x USB Ports
• Ethernet: 10/100 Ethernet Port
• Video Output: HDMI and Composite
• Sound: L/R Stereo
• Memory: 1GB Ram
• Operating System: Uses micro SD card slot to load  O/S
• Digital interfaces: 2 onboard ribbon slots for  Camera and Display
• GPIO: 40 GPIO pins, backwards compatible to B  and B+ board
• Micro SD port for loading your  operating system and storing data
• Power Supply: External 5V
• I/O Operation Level: 3.3V
• Board Size: 85mm*56mm*1.6mm
• Only Model B board

 

3.5 inch touch screen module:

This 3.5 inch touch screen module is designed especially for Raspberry Pi, using the latest Linux Core system (vision 3.18.9), the latest  Raspberry Pi official UI desktop file system and the fastest SPI  transmission data, an ideal alternative solution for HDMI monitor and  convenient Men-Machine interface for Raspberry Pi, combined with the  portable power, DIY anywhere anytime.