Clap the palm lightly around the product or tap the desk which putting the product on or touch any position of the product,the backlight of the products will be turned on.That is convenient to watch the time at night
Clap the palm lightly around the product or tap the desk which putting the product on or touch any position of the product,the projection light will be lighted on,time can be projecting on wall,ceiling or other object
Time & date display,alarm,thermometer,8 different available for week display.200 years calendar memory can enquire and update the calendar at any time.
Voice-activated Projection Back Light Digital Clock, Gray and White
