CPU: Model: for S5P4418 Number of cores: -A9 quad core Frequency: 400MHz-1.4GHz Memory:RAM:1GB Storage: EMMC: 8GB Color: blue Material: PCB PMU power management: support software shutdown, sleep , etc Data connection: wired network: Gigabit Ethernet interface, using RTL8211E chip Audio: integrated audio chip, supporting microphone input and headphone output Row of needles: three 2.0mm rows of needles, 174 in total, lead out the following signals: USB 2.0-Host x1, OTG x1 Video Output/Display - RGB Parallel I/F (24 bit), LVDS and -compatible 1.4a Video input-DVP Camera interface, MIPI- Audio input Microphone input Audio Output - Headset output (with insertion detection) and -compatible Networking - 10/100/1000 Mbps Ethernet x1 Adc-cpu comes with ADC, 7 channels, 12-bit, input range 0~1.8V Peripheral interface - SDIO/MMC x2, SPI x2, I2C x3, UART x5, PWM x3, GPIOs x24 Other - Power key input, RESET input, RESET output, battery input LED: power indicator (red) x 1; Status indicator (green) x 2 Others: fixing hole of radiator x 2 Operating temperature range: - 20 C to 70 C On board temperature control resistor Power supply: 5V/2A System support: Friendlycore 16.04; Lubuntu 16.04; Android 7.1.2; Friendlywrt 19.07-snapshot (32-bit) version:Linux-4.4-,U-boot-2016.01 PCB: 6 layers, gold deposition process Size: 74 x 55mm Package Contents: 1 x Smart4418 core board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.