Humidity/Temperature Pen

This is one righteous hygrometer! Little unconventional by appearance, but really excellent accuracy and that's what counts. Now here are the details...
Color: Grey body, light grey with red/white accents in front. Made of ABS plastic.
Size: 5.75 in. width by 1.25 in. height by 1.0 in. thick.
Method of Attachment: None included, but you can use Velcro.
Temperature Measuring Range: 32° to 122° F
Temperature Increment Display: 0.1
Temperature Accuracy: 1° Celsius
Humidity Measuring Range: 2% to 95%
Humidity Increment Display: 1%
Humidity Accuracy: Plus/minus 2-4%
Note Regarding Accuracy: What really distinguishes this unit from the others is that it comes with a Certificate of Calibration done by the company. The paper certificate shows reading discrepancy of less than 2 degrees from control. Also, the unit can be sent in for factory recalibration.
Power: Two, 1.5-volt, silver-oxide batteries.
Battery Life: 6 months in "always on" mode.
Other Features: Comes with plastic carry pouch and pen clip. Also, includes minimum/maximum memory recall for temperature and humidity.