Product Description: Gently pat the palm of your hand near the product, lightly touch any part of the product, or lightly tap the countertop where the product is placed. The backlight of the product will light up, making it convenient to watch the time at night. At the same time, the projection light will immediately light up, which can project the time onto walls or other objects. The LCD displays Chinese weeks, Gregorian dates, hours, and temperatures. It also has 200 years of calendar data, which is automatically updated at any time and can be queried at any time, Two sets of independent switches control the alarm and have a snooze function.