• Operating temperature 0 ~ 60°C (no condensation)
• Storage temperature -20 ~ 70°C (no condensation)
• Power source 4* AAA battery or DC5V adapter
• Battery life more than the 15 hours
• Weight (with battery) about 360g

Differential pressure
Measurement range : -2500 ~ 2500 Pa
Accuracy : reading±0.5% ±1Pa
Resolution : 0.1Pa
Air Velocity
Measurement range : 0.2 ~ 60 m/s
Accuracy : Reading ±1.5% (at 10.0m/s)
Resolution : 0.01 m/s
Airflow
Measurement range : 0~999999 m3/h
Resolution : 1 m3/h