Features:1. For NanoPi Duo2 ("Duo2") only 55 x 25.4mm. It is powered by an Allwinner -core A7 processor H3 and has 256M/512M DDR3 RAM, onboard WiFi and Bluetooth modules, and an OV5640 camera interface. It works on Linux variants such as Core.2. The for NanoPi Duo2 is small and , with abundant interfaces and ports. It takes power input from MicroUSB port and can from a -SD card. It is suitable for general breadboards. Interface pins such as USB, SPI, UART, I2C, PWM, IR, audio input and output, and Fast Ethernet.3. For NanoPi Duo2 supports software utilities such as WiringNP and Python. These are all . It is suitable for IoT applications.Colour: BlackMaterial: PCB+MetalHardware Specifications:CPU: Allwinner H3, -core -A7 up to 1.2GHzDDR3 memory: 512MBConnectivity: 10/100M EthernetWi-Fi: 802.11b/gBluetooth: Bluetooth V4.0 at 1, 2 and 3 MbpsCamera: Support OV5640 camera modulekey: GPIO keyUSB : 2.54mm pin x2 exposed in 2.54mm pitch pin headersMicroSD slot x 1MicroUSB: OTG and power inputDebug serial interface: exposed to 2.54mm pitch headerAudio input/output interface: exposed to 2.54mm pitch pin headerGPIO1: 2.54mm pitch 16pin. It includes UART, SPI, I2C, audio, etc.GPIO2: 2.54mm pitch 16pin. It includes USB, 10/100M Ethernet, IO, etc.PCB size: 25.4 x 55mmPower supply: DC 5V/2ATemperature measurement range: -40C to 80COS/Software: U-, Linux 4.11.2 (mainline), 16.04.2 (Xenial)Package Contents:1 x development board2 x 16Pin header1 x antennaOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.