AMAZROCK Digital Infrared Thermometer Dual Mode supports temperature scan via Forehead or Eardrum Detection. It is designed for use with adults and children.Modern Design & Convenient to Use- Ergonometric design to facilitate easy use across all ages. - The back-light screen makes it very convenient to use at night or under dim lighting conditions.- Rapid and accurate reading with 1 second measurement time. - Forehead scan mode makes it convenient to measure temperature while your child is sleeping. - Eardrum temperature detection mode is only suitable for use for ages 3 months & above.- Easy & Comfortable use experience as compared with other thermometer(s). Simple operations with just 2 buttons - “Head” (Forehead temperature detection) or “Ear” (Eardrum temperature scan).- Supports 20 readings memory recall.- Comes with two AAA batteries for immediate use.