Features: High precision infrared sensor delivers stable and reliable performance, for safe use, accurate measuring, small error. Easy operation, aim at the forehead or other measuring objects, press the measurement button to start measurement, and the LCD display will show the currently measured temperature. Multi-functional, suitable for measuring the body temperature and object surface temperature, can switch between Celsius/Fahrenheit. Small size, lightweight and portable, comfortable grip handle, easy to carry and use. Humanized design, it can store 32 measurement data for easy comparison. Wide range of applications, suitable for hospital, clinic, infirmary, school, institution, social organization and family use. Specification: Measurement method: Non-contact Measurement distance: 3-5cm Temperature range: 32.0~42.9 Measurement accuracy: 0.3 Resolution: 0.1 Automatic shut down: 2min Power supply: DC3V(2*AAA batteries)(not included) Operating environment: 10~40(50~104), RH85% Storage condition: -20~55(-5~131), RH90% Item size: 15 * 8.5 * 4.3cm /5.91 * 3.35 * 1.69in Item weight: Approx. 101g /3.56oz Package size: 16 * 9 * 4.7cm /6.3 * 3.54 * 1.85in Package weight: 148g /5.22oz Packing list: 1 * Thermometer 1 * User manual