Advanced ESP32 C3 chip: Power your projects with the capabilities of the ESP32 C3 chip, featuring strong processing power and Wi-Fi connectivity High-resolution display: Equipped with a 1.28-inch round LCD smart screen boasting a resolution of 240x240, it provides clear and vibrant visuals Interactive knob: Enhance user interaction with a practical knob, ideal for menu navigation and adjusting settings UART UI interface: User-friendly UART UI interface allows for easy integration with smart home appliance control systems LVGL support: Fully compatible with LVGL for creating stunning graphical user interfaces, suitable for both hobbyists and professional developers Development board: ESP32-C3 LVGL Screen type: IPS Interface: UART GUI: Supported CPU frequency: 160 MHz RAM (BYTE): 400K Flash (BYTE): 4M Screen resolution: 240x240 Display brightness: 300 cd/m WiFi: Supported Bluetooth: Supported Operating voltage: 5V Operating current: 100 mA Operating temperature: -20C-70C Secondary development: Supported Colour: A: Black Material: Plastic + Metal Package Contents: 1 x Knob Switch Display 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 to vary slightly from the actual product. The measurement allowed error is +/- 1-3cm.