Magnetic Color-Coded Stove Thermometer For Safe Wood Burning From Boone Hearth DIMENSIONS - 2.5 x 2.5 x 0.4 inches; 1.4 ounces EASY INSTALLATION - Attaches magnetically to stove or stove pipe COLOR CODED TEMPERATURE READINGS - Instantly determine whether your fire is burning at the ideal temperature. PREVENT FIRES - Keep tar and creosote from building up to prolong the life of your stove QUICK, EASY INSTALLATION - Just attach it with the included magnet!