Advanced ESP32 C3 chip: Empower your projects with the advanced capabilities of the ESP32 C3 chip, featuring robust processing power and Wi-Fi connectivity. High-resolution display: Comes with a 1.28-inch round LCD smart screen that offers a resolution of 240x240, providing clear and vibrant visuals. Interactive knob: Improve user interaction with a handy knob, ideal for menu navigation and adjusting settings. UART UI interface: User-friendly UART UI interface facilitates smooth integration with smart home appliance control systems. LVGL support: Fully compatible with LVGL for creating impressive graphical user interfaces, perfect for both hobbyists and professional developers. Development board: Compatible with 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/m WiFi: Yes Bluetooth: Yes Operating voltage: 5V Operating current: 100 mA Operating temperature: -20C-70C Secondary development: Yes Colour: Silver Material: Plastic + Metal Package Contents: 1 x Knob Switch Display 1 x Adapter Board Only the above package content is included, other products are not part of this offering. Note: Light reflection and different displays may cause the item's color in the picture to differ slightly from reality. Allowable measurement error is +/- 1-3cm.