Traditional Wooden Room Thermometer to Measure Room Temperature - Can be used Indoor or outdoors and is Ideal for Home, Office, Garden, Greenhouse, or Garage A traditional wooden wall thermometer that measures temperature in C & F. The accurate room thermometer has an easy-to-read dark blue temperature scale and a red liquid-filled glass tube. This room temperature thermometer is suitable for indoor and outdoor use, a budget wall thermometer ideal for use in the home, office, kitchen, garden, or greenhouse.