Features: MCU: ESP32-S3-WROOM-1 DualCore XTensia LX7 MCU Supports WiFi and Bluetoothcompatible5 Programming platform: forIDE, VS Code, ESPIDF On board function: resetbutton+Boot button+Type-C USB power supply&burning Support for T-PCIE SIM function module, Grove Seat Fullduplex high-speed RS485 module Specifications: Item: T Vending ESP32-S3 Iot Development Board Module: RSM485MT5V Port: TTL/RS485 Isolation voltage: 3000V; Isolation output: 5V/50mA 0.25W Communication speed: 1200-128000bps Package Includes: 1PC T Vending ESP32 S3 Development Board note: Due to the different monitorand light effect, the actual color of the item might be slightly different from the color showed on the pictures. Please allow 1-2cm measuring deviationsdue to manual measurement.