Features: 5.1\'\' stainless steel probe keeps your hand away from food. Ultra fast 2~3 seconds read time. C/F switchable, long press button for 3s to switch. C or F Unit memory function. Hold function, lock the current temperature (press button - lock, press again - restore measuring) Backlight function, press button - lighting, press again - off backlight. Saving power, auto-off if there has no any action in 10 mins. Bottle opener function brings more convenience.