brand new and high quality Features: Low-power dual-core 32-bit CPU for application processors. Main frequency up to 240MHz, computing power up to 600 DMIPS. Built-in 520 KB SRAM, external 4M PSRAM. Supports interfaces such as UART/SPI/I2C/PWM/ADC/DAC. Support OV2640 and OV7670 cameras, built-in flash. Support for image WiFi upload. Support TF card. Support multiple sleep modes. Embedded Lwip and Free RTOS. Support STA/AP/STA+AP working mode. Support for Smart Config/AirKiss one-click distribution network. Support secondary development. Specification: Voltage: 5V Current: 2A Dimensions: 2.7x4cm/1.06x1.57inch Color: As shown Quantity: 1 Pc Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Development Board