Microprocessor: ESP32-S3FN8 (Xtensa 32-bit LX7 dual-core processor, 5-level pipe frame structure, main frequency up to 240MHz). SX1262 LoRa Node chip. Type-C interface, equipped with complete voltage regulator, ESD protection, short circuit, circuit protection, RF shielding, and other protection measures. On-board SH1.25-2 battery interface, integrated lithium battery management system (charge and discharge management, overcharge protection, battery power detection, USB / battery power automatic switch). Integrated WiFi, LoRa, Bluetooth three network connection, on-board Wi-Fi,, Bluetooth dedicated 2.4GHz metal spring antenna, reserved IPEX(U.FL) interface for LoRa. The On-board display unit is a 0.96-inch 128 * 64 dot- OLED display that can be used to display debugging information, battery power, and other information. Integrated CP2102 USB turn serial port chip, convenient program download, debugging information printing. Support for development environment. We provide the ESP32 + LoRaWAN protocol for library, which is a standard LoRaWAN protocol available with running the LoRaWAN protocol. The new V3 version has the same pin sequence as the V2 version, and retains the Wi-Fi, BLE, LoRa, OLED display, and other features. It is the for smart city, farm, home, industrial control, housing security, wireless meter reading, and Internet of Things developers. It has good RF circuit design and low power consumption design. Primary chip:ESP32-S3FN8 (Xtensa 32-bit lx7 dual-core processor) The LoRa chipset:SX1262 USB to Serial chip:CP2102 Maximum emission power:21 and 1 dBm Maximum reception sensitivity:-139 dBm Wi-Fi:802.11 b / g / n with a maximum of 150Mbps Bluetooth:Bluetooth 5 Frequency:915MHz Colour:White & Black Material:PCB+electronic components Package Contents: 1 * LoRa32 V3 Development Board 2 * Pin 1 * Antenna 1 * Terminal line 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.