This thermometer measures temperature and humidity with an accuracy of ±0.54°F and ±3%. It has a smart remote monitoring feature that sends notifications if the temperature and humidity fall out of the desired range. It also has free data storage for 20 days of data and can export 2 years' worth of data. The price drops from $24.99 to $19.99 to $14.99 when you apply the coupon code "TAKE5" at checkout. Shipping is free.