Material: ABS Color: White/Red/Green Display Type: Digital Style: Digital Power Source: USB plug cable powered Shape: Rectangular Product size: 185 * 102 * 55mm Product weight: 147.7g Packaging size: 193x111x42mm Packaging weight: 222g Packing List: 1 digital clock 1 battery 1 USB power cable 1 instruction manual 1. 180° Projector Alarm Clock This adjustable 180° projection clock projects ultra-clear time onto the ceiling or wall within a distance range of 2-5 meters and features 3 adjustable projection brightness levels. Easily view the time from bed without touching the device. Note: The projector alarm clock only projects toward the back of the unit; projecting forward will result in an upside-down display. 2. USB Charging Port & Memory Function This large LED digital clock includes a USB output interface, allowing you to charge cell phones, tablets, and other electronic devices while powering the clock. The projection alarm clock has a built-in backup battery (included) that retains time settings during power outages. Note: USB charger not included. 3. Adjustable Brightness & Night Mode Four adjustable brightness levels meet various lighting needs. You can manually adjust brightness or enable Night Mode. In Night Mode, the display automatically dims between 18:00 and 05:59 by default. 4. Easy to Operate & Wide Application Featuring a modern design and updated functions such as temperature and humidity display, 12/24-hour format, date display, and USB charging port, this LED digital alarm clock is ideal for home, office, or bedroom use. Suitable as a gift for family, friends, or children. 5. Warm Tips The LED screen remains on when powered via USB cable. Power plug not included. Includes built-in coin cell battery.