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