This thermometer has a Swiss-made sensor that can accurately detect temperature and humidity changes. It supports manual calibration and has a wireless range of up to 196ft. It also has online data viewing and export capabilities. The price drops from $25.99 to $16.99 when you clip the 15% off coupon on the product page. Shipping is free for Prime members or on orders over $35.

Clip the 15% off coupon on the product page