Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•ESP32 controller: Dual-core 32-bit microprocessor up to 240 MHz, 4 MB flash, 520 KB SRAM, 448 KB ROM, onboard 2.4 GHz Wi-Fi and Bluetooth 4.2 (LE), with USB-C code uploader
•Touch screen: 4.0 inch, 320x480 pixel, TN type TFT, 4-wire SPI communication, single-point resistive touch screen (Note: Fingers may not be well recognized on the resistive touch screen, please use the stylus provided or your nails)
