三防云控 vs Smart iMeters Usage & Stats

Smart iMeters is a free APP that can be installed on smartphones and connected to the surrounding Therperature Humidity Meter 333BT, Sound Meter 353 BT, Anemometer 363 BT, Light Meter 383 BT and Tachometer 372D via Bluetooth to measure and record temperature and humidity, noise, wind speed, illuminance and rotational velocity in real time.