This Non-Contact Digital Thermometer for Human Body Temperature is a multifunctional infrared thermometer which can be used to measure the temperature of humans, surfaces, and animals. It can quickly measure the target temperature and display the accurate measurement in as little as one second. Key Features Multi-Purpose: can measure human body temperature, skin temperature, surface temperature, liquid temperature Fast & Accurate: 1 second accurate temperature measurement, measurement deviation up to +/- 0.2 °C Non-contact: 3-5cm measurement distance, without contact with human skin allowing healthier and safer measuring while preventing cross-contamination 3-Colors to warn of high temperature Temperature unit conversion function – °C / °F Power supply 2 x AAA batteries (not included)