Advanced ESP32 C3 chip: Power your projects with the ESP32 C3 chip, featuring powerful processing capabilities and Wi-Fi connectivity. High-resolution display: Equipped with a 1.28-inch round LCD smart screen with a resolution of 240x240, delivering clear and vivid visuals. Interactive knob: Enhance user interaction with a convenient knob, ideal 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 stunning 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: 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. Only the items listed are included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual product. Measurement may vary by +/- 1-3 cm.