Features: [Countdown Timely and Long-term Reminder]:1- 59-minute countdown function, timely reminder of 3-minute chords, to avoid forgetfulness and food the phenomenon that objects have been left in the oven or microwave for a few days, or they have forgotten to turn off the heat and cook the pot [Automatic Screen Saver When the Screen Wakes Up]:The screen display can be activated by voice control, tapping, shaking, etc., when detected when there is a sound, the display will light up and automatically turn off the display after 35 seconds [Fahrenheit/Celsius Switch Display]:Temperature intelligent sensor display, C/ F--key switch freely, anytime, anytime you care about health (Fahrenheit_4F~122F, Celsius -20C~50C) [12/24 Hour System Switching]:You can freely choose the 12-hour system and 24-hour system display according to personal preferences [Constant Light/Energy Saving Mode Switch]:External USB power supply, the DP mode corresponding to the display panel is always on;When only dry battery power supply, the display panel lights up when there is noise around the product it will go off automatically after 35 seconds Package includes: 1* Clock