​The LoRa Air Quality Button by Mutelcor is a wireless device that monitors temperature and humidity while serving as a service or emergency call button. It features a traffic light LED system and buzzer alerts for threshold breaches, and sends LoRa messages upon button press. Powered by two AA batteries with over five years of life, it offers plug-and-play setup, encrypted data trans... https://mutelcor.com/lora/