Equipment Description: Quad Core 1.2GHz Broadcom BCM2837 64bit CPU with 1GB RAM. BCM43438 wireless LAN and Bluetooth Low Energy (BLE) on board. 40-pin extended GPIO has 4 USB 2 ports. 4 Pole stereo output and composite video port supports Full size HDMI. CSI camera port for connecting a Raspberry Pi camera. DSI display port for connecting a Raspberry Pi touchscreen display. Micro SD port for loading your operating system and storing data. Upgraded switched Micro USB power source up to 2.5A