Specifications:- Overall Dimension(LxWxH): 1 7/16" x 1 13/16" x 5 7/8"- Measurement Range(Forehead): 89.6 to 109.2 degrees Fahrenheit- Measurement Range(Object): 32 to 212 degrees Fahrenheit- Operational Temperature: 50 to 104 degrees Fahrenheit- Humidity: 15 to 95%Rh- Atmospheric Pressure: 86 to 106 kPa- Net Weight: 0.22 Lb. Package Contents:- 1x Thermometer- 1x Manual- 1x Bag- 2x Aaa Batteries