Features:
• Single display show temperature and humidity simultaneously
• °C or °F range selectable at any time.
• Maximum and Minimum temperature and humidity memory function.
• DAILY reset of maximum and minimum records function with internal clock.
• Temp range : -10 °C to +50°C (+23°F to +122°F) with 0.1°c(°F) resolution.
• Humidity measuring range : 20 - 99% with 1 % resolution.

Dimensions:
2.25"W x 2"H x 0.3"T
(57mm x 51mm x 8mm)

Batteries included
Also includes a magnet for in-case mounting and easy removal.