Non-Contact Infrared Thermometer is specially designed to take the body temperature of a person regardless of room temperature. Use for adults, kids and small children. The best medical body digital thermometer to safely use for checking temperature. • Material: ABS • Product size: 6 x 3.25 x 1.60 inch • Measuring range: 1-2 inch • Measuring mode: Fahrenheit or Celsius • Range of temperature: 89.6-109.2°F / 32.0-42.9°C • Voltage source: 2 X 1.5V • Batteries: Size AAA (not included)