AM300 series is a compact indoor ambience monitoring sensor for measurement of temperature, humidity, light, CO2 concentration, HCHO/O3 level, TVOC, barometric pressure, PM2.5, PM10 and motion. The data will be shown on the E-ink screen in real-time, which helps to measure the indoor environment and comfort. AM300 series is widely used for offices, stores, classrooms, hospitals, etc. Sensor data is transmitted using LoRaWAN ® technology. Combining Milesight LoRaWAN ® gateway and Milesight IoT Cloud, users can manage all sensor data remotely and visually