Advanced ESP32 C3 chip: Power your projects with the ESP32 C3 chip, featuring strong processing performance and Wi-Fi connectivity. High-resolution display: Equipped with a 1.28-inch round LCD screen with 240x240 resolution, delivering clear and vivid visuals. Interactive knob: Enhances user interaction with a convenient knob for menu navigation and setting adjustments. UART UI interface: User-friendly UART interface enables smooth integration with smart home control systems. LVGL support: Fully compatible with LVGL for creating rich graphical user interfaces, suitable for hobbyists and professional developers. Development board: ESP32-C3 LVGL Screen type: IPS Interface: UART GUI: Supported CPU frequency: 160 MHz RAM: 400 KB Flash: 4 MB Screen resolution: 240x240 Display brightness: 300 cd/m² Wi-Fi: Supported Bluetooth: Supported Operating voltage: 5 V Operating current: 100 mA Operating temperature: -20°C to 70°C Secondary development: Supported Color: Silver Material: Plastic + Metal Package Contents: 1 x Knob Switch Display Only the items listed above are included; other products are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.