Espressif's star product ESP32, integrated Bluetooth and WIFI+MCU, high cost-effective, rich ecological applications

Mass data storage

Long-distance imaging (3-5m)

High precision temperature measurement (0.15c)

Fast response (0.5s)

USB one-click data download

built-in lithium battery, support intelligent battery charging and discharging, anti-reverse connection, low-voltage alarm, long-lasting battery life, anti-interference design

LCD large screen dual display

Voice broadcasts from 18 languages are available, and the volume is adjustable