Testo0572 6560 174H 2-Channel Mini Temperature and Humidity Data Logger with Locking Wall Holder and Batteries

Testo 174H Temperature Monitor – Data Logger for Storage Temperatures – Temperature gauge for –30 to +70 Degrees Celsius

Testo 605i | Thermohygrometer for Indoor Temperature and Humidity Measurement | with Bluetooth Support

testo 405i – Anemometer handheld for air velocity, in-duct airflow, and temperature – CFM meter with Bluetooth and App operation