Advanced ESP32 S3 chip: Power your projects with the ESP32 S3 chip, featuring strong processing performance and integrated Wi-Fi connectivity. High-resolution display: Features a 2.1-inch round LCD screen with 480x480 resolution for clear and vivid visuals. Interactive knob: Includes a rotary knob for intuitive user interaction, ideal for menu navigation and setting adjustments. UART UI interface: Simple UART-based UI interface enables smooth integration with smart home control systems. LVGL support: Fully compatible with LVGL to enable rich graphical user interface development, suitable for hobbyists and professional developers. Development board: Built on the ESP32-S3 platform with LVGL support. Screen type: IPS Interface: UART GUI: Supported CPU frequency: 160 MHz RAM: 8MB Flash: 16MB Screen resolution: 480x480 Display brightness: 300 cd/m² Wi-Fi: Supported Bluetooth: Supported Operating voltage: 5V 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 1 x Adapter Board Note: Other items not included. Lighting and display differences may cause slight variations in color between the image and the actual product. Measurement may vary by +/- 1-3 cm.