Descriptions: -Fast measurement (1 sec) -Non-contact -Fever Alarm - 20 groups memories and review fuction - LCD Backlight - ℃ and ℉ are easily convertible. - Certified Medical Device - LED blue backlight - Suitable for Home or Office use Caution: Please remove battery if the unit is not used for a long time. Please keep the forehead area clean and away from sweat and cosmetics when taking temperature. 3 years warranty