The ESP32-SU(4MB) with Module WiFi Modules ROHS manufactured by Ai-Thinker is a highly integrated, low power, Wi-Fi/Bluetooth system-on-chip (SoC). It is designed for low-power IoT applications, such as home automation, smart meters, ambulatory monitoring, agriculture, vehicle tracking, industrial control, and consumer electronics. It features several technologies, including a dual-core Tensilica LX6 microprocessor, ultra-low power co-processor, Wi-Fi, Bluetooth 5.0, 802.11b/g/n/e/i, LCD interface, and many more. It has also been certified by ROHS, which makes it an excellent choice for many applications.