Vertical Indoor or Outdoor Wall Thermometer is an instant read thermometer with extra large numbers. 16 inch (40 cm) tall with extra large, easy to read numbers, you can get to know the temperature at a glance. Accurate reading shows temperature in both Celsius °C and Fahrenheit °F. Wide temperature range -40°C/-40°F to 50°C/120°. This thermometer is mercury free making it non-toxic and environmentally safe. Weather resistant making it durable for climate such as snow, rain, etc. Keep out of direct sunlight for the most accurate reading. Includes 2 mounting screws for a quick and easy install. Holes on top and bottom allowing you versatility to hung up with the screws/nails or string outside. Place under the eaves of your house, a sheltered or shuttered bird feeder, a covered patio porch, or any wooden instrument shelter. Great for the inside of your home decor, use outside on patios, shed, garage, for farmers at farms in farm houses, stables, chicken coop etc., for gardeners in a garden bed, a greenhouse etc.