Dual-core 32-bit CPU with a clock speed of up to 240MHz and computing power of 600 DMIPS, providing powerful performance. Integrated WiFi 802.11b/g/n and Bluetooth 4.2 dual-mode communication for flexible and stable connectivity. Built-in 520KB SRAM, supporting FreeRTOS multi-tasking. Low deep sleep current and multiple power-saving modes extend battery life. Supports FOTA remote upgrade and local serial port download, making development and debugging efficient and convenient. Display Type: 2.8" TFT Resolution: 240XRGBX320 Interface Type: 4SPI Driver IC: ST7789P3 Input Voltage: 3.0±0.2V Interface Connector: FPC Backlight: White LED (4-LED) Vled=3.2V; ILed = 80mA (maximum) Operating temperature: -10°C to +60°C Storage temperature: -20°C to +70°C Parameter Characteristics: 802.11b/g/WiFi + BT module; Low-power dual-core 32-bit CPU, can be used as an application processor; Clock speed up to 240MHz, computing power up to 600 DMIPS; Built-in 520KB SRAM; Supports UART/SPI/I2C/PWM/DAC/ADC interfaces; Supports openOCD debugging interface; Supports multiple sleep modes, with current as low as 6.5uA in deep sleep mode; Embedded LwIP and FreeRTOS; Supports STA/AP/STA+AP modes; Supports Smart Config/AirKiss one-key network configuration; Universal AT commands, easy to use; Supports local serial port upgrade and remote upgrade (FOTA). Color: As Shown Material: plastic Package Contents: 1*development board 1 set of accessories 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.