SPI Flash: Default 32MbitBluetooth 4.2 BR/EDR and BLE standardWi-Fi: 802.11b/g/n/On-chip Sensors: Hall sensor, temperature sensor, capacitive touch sensorPower Supply Range: USB power supply: 5V; Vin pin power supply: 6.0V~12V; Operating Temperature: -20°~ 80°Bluetooth: Bluetooth 4.2 BR/EDR and BLE standardWi-Fi: 802.11b/g/n/Supported Interfaces: UART, SPI, SDIO, I2C, PWM, I2S, IR, ADC, DACIO Ports: 22Serial Port Baud Rate: Default 115200bpsFrequency Range: 2412~2484MHzAntenna Type: On-board PCB antenna, 2dBi gainTransmit Power:802.11b: 17±2dBm (@11Mbps)802.11g: 14±2dBm (@54Mbps)802.11n: 13±2dBm (@MCS7)Receive Sensitivity:CCK, 1Mbps: -90dBmCCK, 11Mbps: -85dBm6Mbps (1/2BPSK): -88dBm54Mbps (3/4 64-QAM): -70dBmMCS7 (65Mbps, 72.2Mbps): -67dBmPower Consumption: 300mA@3.3VSecurity: WPA/WPA2/WPA2-Enterprise/WPSPCB Board Dimensions: 85.85mm*49.40mm (Mounting hole diameter: 3.4mm)Display Type: 2.8" TFTResolution: 240XRGBX320Interface Type: 4SPIDriver IC: ST7789P3Input Voltage: 3.0±0.2VInterface Connector: FPCBacklight:White LED (4-LED)Vled=3.2V; ILed = 80mA (maximum)Operating temperature: -10°C to +60°CStorage temperature: -20°C to +70°CColor: As ShownMaterial: MetalPackage Contents:1*Development Board 1*Data Cable 1*Stylus Pen 1*Terminal CableOnly 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.