Super mini size: pen style design in compact size, easy to carry and use Dual display: lcd with show relative humidity and temperature simultaneously Fast response time: within 120~150 seconds & auto power off in 10 minutes Delta function: to tell plus or minus relative humidity from certain place Max and min mmory: to show the max and min humidity °c / °f switchable Measurement range: humidity: 20%to 95%, temperature: -20 to 60°c (-4 to 140°f) Application: professional-grade instruments fo hvacr, wine cellar greenhouse, warehouse, lab and so on
