brand new and high quality Features: Made of high quality electronic components, it is solid, durable, good conductivity and high performance, long service life. It has SD card slot on board. This development board features NRF2401 interface, which supports wireles communication. Its data storage is W25Q16. Supporting FMSC LCD interface. Multi-user keys. All the CPU-10 lead. 2.54mm integer multiples spacing pin. Development board only, other accessories demo in the picture is not included! Specification: Material: Circuit Board, Electronic Components Optional styles: A/B(Only Development Board)/C(Only LCD Screen) Size: Development Board: app.8.5 x 7.2cm/3.35 x 2.83in; Screen: app.8.8 x 6.5cm/3.46 x 2.56 Color: Black Quantity: 1 Set Product Parameters: Model: STM32F407VET6 Kernel: Cortex-M4 32 bit RISC Features: Single-cycle DSP instructions Operating frequency: 168MHZ, 210DMIPS/1.25DMIPS/MHz Working voltage: 1.8-3.6V Package: LQFP100 Storage resource: 512KB Flash (VG specification is 1M capacity); 192+4KB SRAM Resources: 3 x SPI, 3 x USART, 2 x UART 2 x I2S, 3 x 12C 1 x FSMC, 1 x SDIO, 2 x CAN 1 x USB 2.0 FS/HS controller (with dedicated DMA) 1 x USB HS ULPI (for external USB HS PHY) 1 x 10/100 Ethemet for MAC 1 x 8 to 12-bit parallel camera interrace 3 x AD (12-bit, 1us, time-sharing 24), 2 x DA (12-bit) Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: A: 1 x Development Board 1 x LCD Screen 1 set x Pin Header 1 x Wire OR B: 1 x Development Board 1 set x Pin Header 1 x Wire OR: 1 x LCD Screen