High-definition 1.28-inch 240*240 resolution circular display ensures clear and crisp visuals for your smart . UART UI interface: The easy-to-use UART UI interface can be seamlessly integrated with your smart home appliance control system. [Circular IPS TFT LCD module offers a stylish, modern design that complements any smart home appliance. Colour:black Material:Metal Brief 1) Outline Dimension:50 Round 2) Interaction Method: Rotate and Press 3) Power: DC 5V, 100mA System 1) OS: RTOS 2) CPU: ESP32-C3 160Mhz 3) RAM: 400KB 4) Flash: 4MB 5) Interface: UART/USB 6) Support 2.4GHz Wi-Fi,BLE 5,BLE Mesh Display 1) Size: 1.28 Inch 2) Resolution: 240*240 3) Mode: IPS 4) Brightness: 300 cd/ 5) Touch: without Other 1) Operation Temperature:-20-70 2) Storage Temperature:-30-80 Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 1 * ESP32 C3 Development Board 1 * Debugging adapter board(Adapter board color random, don't accept the specified color) 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.