recent - Extech Humidity/Temperature Pen #445580
brand-new & sealed in packaging Extech Instruments Humidity & Temperature Pen, retails for $70 - $95.- Dual LCD for simultaneous display of relative humidity & temp w/function indication.- Temperature is °C/°F switchable.- Max/Min memory functions for display of highest and lowest readings for both temp & relative humidity.- Data hold button for rapidly fluctuating measurements.- Built-in self calibration.Long lasting 3V lithium battery for maximum usage time. The slim Extech 445580 humidity/temp pen will capture humidity readings from 10 to 90% RH & register temperatures from -10°C to 50°C (14°F to 122°F). Stores maximum & minimum readings until the memory is cleared and includes a data-hold button for rapidly fluctuating measurements. The meter comes complete with a pocket clip and 2 3V lithium batteries.Thank you for looking and please don't hesitate to contact me if you have any questions. I am always open to offers. I ship same day or within 24 hours. Happy Shopping!!