Description: This product adopts infrared temperature sensing method to measure temperature display or data output. It displays the temperature of the measured object by measuring the thermal radiation of the forehead or object. Composed of high-precision infrared sensor,It can quickly and accurately measure human body temperature or object temperature. Easy operation and safe, simple one-handed operation, avoid touching skin, non-contact with human skin, automatic power off. Maximum allowable error: Within the forehead range of 32.0 - 42.9 (89.6 - 109.2), suit well with Human Body /Water/Food/milk/ bedroom temperature measurement etc. Human Body Measurement: Point the thermometer probe at the center of the forehead (above the eyebrow center) and keep it vertical, distance 1 - 5cm, press the measurement button to display the measured temperature within about 1 second. Specification: Material: Electronic component Size: approx. 20.5 x 10.5 x 5cm/8.07 x 4.13 x 1.97 inches Color: White Powered by 9V battery( does not included) Package Includes: 1 Piece Infrared Thermometer (Not Include Battery) Note: 1. Please allow a slight color difference between the real item and the pictures due to the difference between monitors. 2. Please allow a slight measurement error. Hope for your kind understanding and have a nice shopping day!