SPECIFICATIONSBrand Name: iUoyoMonChoice: yesDisplay Mode: 500High-concerned chemical: NoneOrigin: Mainland ChinaResolution: 320*240semi_Choice: yes User Guide  ILI9341V - http://www.lcdwiki.com/2.8inch_ESP32-32E_Display  ST7789 - http://www.lcdwiki.com/2.8inch_ESP32-32E-7789 Product Description Comes with ESP32-32E module, easy development, sufficient development resources 2.8-inch color screen, 240x320 resolution ,the maximum support is 262K color (RGB666), display rich color Rich interface, easy to connect a variety of peripherals (SPI, UART,etc.) Supports external speakers to play audio Comes with RGB three-color indicator, indicating rich status Comes with resistive touch screen, easy man-machine interaction Standard TYPE-C interface for easy program download and power supply Equipped with micro TF card slot for easy storage expansion Support external lithium battery, lightweight and portable Equipped with battery charging management circuit to ensure safe battery charging and discharging Provide rich example learning programs, easy to learn Provide low-level driver technical support, and update WIKI information online Multiple tests for module aging can meet military level standards, supporting long-term stable work Name Parameter Module ESP32-32E CPU ESP32-D0WD-V3,Xtensa dual-core 32-bit LX6 microprocessor Frequency 240MHz(Max) Memory 48KB ROM+520KB SRAM+16KB RTC SRAM+4MB external QSPI Flash WIFI 2.4GHz and 802.11b/g/n modes Bluetooth Bluetooth V4.2BR /EDR and Bluetooth LE standards Operating Voltage 3.0~3.6(V) Operating Temperature –40~85(℃)