1. Equipped with a powerful ESP32-S3FN8 dual-core processor, boasting a frequency of up to 240 MHz for seamless performance. ^^ 2. Features an SX1262 LoRa node chip for reliable and efficient communication. ^^ 3. Features an onboard SH 1.25 -2 battery interface and an integrated lithium battery management system for optimal power management. ^^ 4. Equipped with a 0.96 -inch 128*64 dot matrix OLED display for clear and easy-to-read information. ^^ 5. Integrated CP2102 USB to serial port chip for convenient program downloading and debugging information printing.