1. clean the skin to be applied and make sure the patch is intact before use.
2. Peel off the temperature patch by hand and attach it to a convenient part of the body for temperature measurement (inside the wrist, under the ear, on the forehead, neck, etc.).
3. Check the body temperature according to the color change of the patch.
1) This patch is indigo blue(PB) before application.
2) A patch that is purple(P) indicates normal body temperature
3) A red(R) patch indicates a high temperature (over 37.6℃) - a medical checkup needed