: Single-press MODE until the date appears. Long-press MODE to enter the setting flow: Year → Month → Date . Use UP/DOWN to change values and MODE to navigate between them. Alarm and Snooze Configuration
: Requires three AAA batteries. Note that on battery power, the screen may enter an energy-saving mode , turning off after a few seconds unless activated by sound or touch. dt6507 led mirror clock instructions
: Use the included USB cable for a constant display. : Single-press MODE until the date appears