Advanced ESP32 C3 chip: Power your for projects with the power of the ESP32 C3 chip, which has 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, it can present clear and vivid visuals Interactive knob: Enhance user interaction with a convenient knob, perfect for menu navigation and control settings UART UI interface: Easy-to-use UART UI interface allows seamless integration with smart home appliance control systems LVGL support: Fully compatible with LVGL to create stunning graphical user interfaces, ideal for hobbyists and professional developers Development board: ESP32-C3 LVGL Screen type: IPS Interface: UART : GUI CPU frequency: 160 MHz Ram (BYTE): 400K Flash (BYTE): 4M Screen resolution: 240x240 Display brightness: 300 cd/m² WiFi: Supported Bluetooth: Supported Operating voltage: 5V Operating current: 100 mA Operating temperature: -20°C-70°C Secondary development: Supported Colour:A:Black Material:Plastic + Metal Package Contents: 1 x Knob Switch Display 1 x Adapter Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.