It is small and cheap,easy to keep,and can be used again and again. Nowadays,the swine flue is all around.What can we do to confirm if we are ok?This small LCD forehead thermometer can tell you if you have a normal body temperature or you are too hot,anywhere and any time. How does it work?Put the forehead thermometer close to your forehead,and it will indicate body temperature by a green integer in5 to 10 seconds.Just remember,the green color indicates the right current temperature.