● Supports 3.2V-18V power supply, compatible with 12V lithium and lead-acid batteries</br>● Solar power supply system, 3.2V battery, low cost, stable battery</br>● Can read solar data for charging and discharging</br>● Supports six elements (humidity, air pressure, temperature, decibels, wind speed, wind direction)</br>● Supports eight elements (humidity, air pressure, temperature, decibels, PM2.5, PM10, wind speed, wind direction)</br>● 4G IoT transmission</br>● Supports cloud platform, WeChat mini program</br>● Supports API interface docking and hardware interface docking</br></br>