High-definition 2.1-inch 480*480 resolution circular display ensures clear and crisp visuals for your smart home appliances. 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:silver / black Material:Metal Brief Info: 1) Outline Dimension: 80 Round 2) Interaction Method: Rotate and Press 3) Power: DC 5V, 1A System 1) OS: RTOS 2) CPU: ESP32-S3 240Mhz 3) RAM: 8MB 4) Flash: 16MB 5) Interface: UART/USB 6) Support 2.4GHz Wi-Fi. BLE 5. BLE Mesh Display 1) Size: 2.1 Inch 2) Resolution: 480*480 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 will not affect use Package Contents: 1 * ESP32 S3 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.