Digital Outdoor Thermometer sticks on your window for a quick outdoor temperature update anytime. Two suction cups hold this weather-resistant digital outdoor thermometer on the outside of any window, to give you a quick read on the outside temperature without having to leave the house. This suction window thermometer also lets you see the highest and lowest temperatures recorded since last reset. Operated by a button battery (included), the Digital Outdoor Thermometer has large, easy-to-read LCD digits displayed in 1/10&deg F increments. This suction window thermometer measures temperature in Fahrenheit only, ranging from -4 to +140&deg . Buy 2 or more for $10.99 each. Benefits of the Digital Outdoor Thermometer: Suction window thermometer attaches easily without wires Large display makes the Digital Outdoor Thermometer easy to read Display rotates 270&deg from suction cups, for best viewing angle