Reminder: C to F operation - press "MODE" for 2 seconds - Ref listing video or pdf manual; Screen scratch - you may peel the cover off, although it's hard to notice; "ERR", or dissatisfaction, please contact us for replacement on the house! | 🌡 Non Contact and 1 Second mesurement: One-button fast temperature measurement. Non-contact infrared measurement, while avoiding cross infection. Measuring distance is 3-5cm. | 🌡 Multi-Mode: The Forehead thermometer is designed for all ages, adults, infants and elders. It not only supports forehead function, but is able to take room/object temperature. | 🌡 Sound Reminder: High-accuracy infrared measurement, intelligent algorithm, audible alert for over-temperature. The HD LED screen displays clear and crisp numbers that are easy to read. | 🌡 Convenient Memory Feature: You can store up to 20 sets temperature readings and recall them at any time. This comes in handy for keeping a record, and makes it convenient for babies, children, adults, . Also has an auto shutdown feature for power saving.