Advanced ESP32 S3 chip: Power your projects with the ESP32 S3 chip, featuring powerful processing capabilities and Wi-Fi connectivity High-resolution display: Equipped with a 2.1-inch round LCD smart screen with a resolution of 480x480, delivering clear and vivid visuals Interactive knob: Enhances user interaction with a convenient knob for menu navigation and control settings UART UI interface: Easy-to-use UART UI interface enables seamless integration with smart home appliance control systems LVGL support: Fully compatible with LVGL to create high-quality graphical user interfaces, suitable for hobbyists and professional developers Development board: ESP32-S3 LVGL Screen type: IPS Interface: UART GUI support: Yes CPU frequency: 160 MHz RAM: 8MB Flash: 16MB Screen resolution: 480x480 Display brightness: 300 cd/m Wi-Fi: Supported Bluetooth: Supported Operating voltage: 5V Operating current: 100 mA Operating temperature: -20C to 70C Secondary development: Supported Color: Black Material: Plastic + Metal Package Contents: 1 x Knob Switch Display 1 x Adapter Board Note: Light reflection and differences in display screens may cause slight variations in the color of the item compared to the picture. Measurement may vary by +/- 1-3 cm.