Main characteristics of DS-6507: mirror surface; bright LED backlighting of the display; loud long alarm clock; function of automatic temperature measurement; the function of automatically reducing the brightness of the glow at night Body dimensions (HxWxD): 17 x 7 x 3 cm Functions : LED time display 12-24 hour format Alarm clock Temperature in C and F Setting (automatically) night mode (18.00 – 06.00) Two light modes Five functional buttons (MODE, ALARM, SNZ/LIGHT, UP, DOWN) Time saving function USB network cable (adapter not included) Brightness setting: In the time mode, press the “Mode” button three times. And instead of “OF” turn on “ON” Press the “Mode” button and hold it until the setting of the screen brightness mode lights up on the screeN