Features: T-Panel is intelligent home product featuring a 480x480 LED large screen. It is controlled by the high-performances ESP32S3 chip onboards, which can communicate and exchange data with ESP32H2. The product also incorporates RS485 chip for long-distance transmission of other devices, and its wide voltages input enhances compatibility. Featuring double MCU cores (ESP32S3 and ESP32H2) for wireless communication and advanced IoT applications. Equipped with a high resolution 4inch 480x480 IPS LCD, 16MB Flash, 8MB PSRAM, and array of onboards features including QWiiCx2, Card slot, this development board is suitable for performances. Specifications: Component:ABS Type:RS485/CANFD MCU1：ESP32S3 Flash：16MB PSRAM：8MB Wireless communication protocol: 2.4GHz WiFi+Bluetooth-compatible. MCU2：ESP32H2 Flash：4MB Wireless communication protocol: IEEE802.15.4+Bluetooth-compatible Size:Approx.89mm/3.5inch Package Includes: 1 Set Development Board note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.