Extech 445580 Humidity / Temperature Pen

Temperature Humidity Meter Pen 10 to 90 Percent Relative Humidity Range +/-5 Percent Humidity Accuracy 14 Degrees to 122 Degrees F Temp. Range F +/-1.8 Degrees F Temp. Accuracy F 0.1 Percent Humidity Resolution Sensor Type Capacitance Display Dual LCD Memory Min/Max Battery Type 3 V Lithium Auto Power Off Yes Data Hold Yes Response Time 120 sec. Includes Instructions Pocket Clip Displays relative humidity from 10 to 90-percent and air temperature from 32 to 122 F 0 to 50 C on dual display – Fits in shirt pocket and includes pocket clip – Min/Max and Data Hold – Simple operation – Auto power off increases battery life