1> Ideal for measuring the temperature with convenience and quick,and very low cost
2>Temperature is displayed as black strip warms up
3>Measures in both C and F for forehead ,the dimension is selectable
4>Hold the fever scan firmly by both ends and press against on dry forehead for 15 seconds,Read Fever scan while it's on the forehead, Green color indicates correct temperature, TAN/RED deduct 0.5C degree( or 0.9F degree), BLUE plus 0.5C
5>Size and temp range is customeraize