Push the panel, time, date, temperature, timer and alarm can be displayed by turn 7 colors LED backlight 12/24 hours format selection °C/°F temperature display Date display can be selected from 1, Jan, 2000 to 31, Dec, 2099 Count-down time less than 180 minutes 59 seconds One group daily alarm May directly press "on" to check the effect of LED light Batteries: 3 x 1.5V(AAA, R03, not included)