Features: *Clock: The hour and minute of the clock state flash in the middle. *Alarm: No flickers between hour and minute in alarm state; alarm duration is 1 minute. *Temperature: range 050°C; 32122°F, accuracy /-1°C, check every 1 minute. * Humidity: range 2099, accuracy /-5, detect once per minute. * Button sound function: the button has a button sound, and the alarm sound can reaching 80 decibels. *Backlight function: Press the MODE button, UP button, DOWN button, the light will be on for 8 seconds. *Touch function: 3 function keys with touch function. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Size: 9*9*2.63cm Battery: 2 AAA batteries Not include Package List: 1 x Thermo-Hygrometer