• Giant, oversized face has bold, easy-to-read numerals • All thermometers are made of metal for durability and are weather resistant• Thermometer easily mounts to walls or any other flat surface• Dual-scale thermometer reads in both C and F• Temperature scale has maximum contrast for ease of reading in low lighting conditions• Rectangle thermometers are 12\" high and have a spirit filled glass tube• Round thermometers are 12\" in diameter and come with or without humidity• Fully weather resistantideal for outdoor use