- testo 440 air velocity and IAQ measuring instrument, 3 x AA batteries, USB cable and calibration protocol (0560 4401)
- Humidity/temperature probe (Ø 12 mm) with Bluetooth®* (consisting of humidity/temperature probe head and Bluetooth® handle); 4 x AA batteries and calibration protocol (0636 9731)
- Basic case for testo 440 and 1 probe
