This compact wall thermometer TH13 from Esschert Design is suitable for indoor and outdoor use; it shows temperatures between -40 °C to 52 °C (-40 °F to 122 °F).

The Esschert Design thermometer has a metal plate and a built-in glass tube, with kerosine-based fluid indicating the temperature level around. Two holes on the top and bottom make it convenient to be screwed onto the wall.

Ambient temperature will always be clear in your mind with this simple and useful thermometer.