A fast and gentle way to monitor your temperature. Swipe the thermometer diagonally on the forehead for an accurate reading in seconds. Professional grade accuracy. Color coded screen for instant fever detection. Green for no fever yellow for a slight fever and red for a high temperature. Backlight so it can be read in dim lighting. Safe and hygienic; simple wipe clean with an alcoholic pad. Recommended for the entire family. Batteries are supplied in packaging. Dimensions: 5.5: x 2.3" x 7.9".