Advanced ESP32-C3 chip: Features powerful processing capabilities and Wi-Fi connectivity High-resolution display: 1.28-inch round IPS LCD screen with 240x240 resolution Interactive knob: Enables intuitive menu navigation and setting adjustments UART interface: Supports seamless integration with control systems LVGL compatibility: Enables creation of advanced graphical user interfaces Screen type: IPS Interface: UART CPU frequency: 160 MHz RAM: 400 KB Flash memory: 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 range: -20°C to 70°C Secondary development support: Yes Color options: Black, Silver Material: Plastic and metal Package contents: 1 x Knob Switch Display 1 x Adapter Board Note: Color appearance may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.