M120 handheld mini temperature/humidity meter has a temperature range from -4°F to +122°F, with a reported temperature accuracy of ±1.8°F. Humidity range is 1.0% ~ 99 %RH; humidity accuracy is ±3.5% for 20~90%. Is 5.3" x 1.9" x 0.2". Has zero adjustment and low battery indicator. Is fewer than 9oz.

Anaheim Scientific, www.anaheimscientific.com