BALDR Smart Alarm Clocks Student, Black Sensitive backlight: can be turned on or off; when turned on, the backlight will adjust the light to the dark background; if it is bright enough, the backlight will not be turned on automatically Support time, calendar, temperature large lcd, easy to read big digits Temperature range: 0~50c, temperature accuracy: +/- 1.5C Alarm and snooze function. Dual alarm: mon to fri or mon to sun Time display: 12-hour or 24-hour mode