The MerryIoT Air Quality CO2 is designed for in-home and inbuilding usage for consumer or facility management applications. It has Integrated 3-in-1 CO2 NDIR (Non-dispersive infrared) sensor which measures CO2 level, temperature and humidity. Color LED shows you the air quality right after a wave in front of the device. Built-in buzzer alarms when CO2 level is over the threshold.
The MerryIoT sensors can be used on any LoRaWAN network, including Helium. With the MerryIoT app you can easily install and monitor the sensors on Helium. Just scan the QR-code, press the button, wait for connection and then you see the sensor values on your smartphone. Each sensor includes 2 years data credit subscription fees for use on Helium.