1. Multi Function: LED alarm clock has various functions, can display time, date and temperature, and can be projected at a wide angle of 180 degrees. It is also a practical alarm clock. 2. 180 Degree Projection: The projection alarm clock can project from multiple angles, and the 180 degree flexible swing arm can adjust the projection angle at will. 3. High Definition LED Screen: The projection digital alarm clock adopts high definition LED screen, which can be seen from a long distance and can be seen at a wide angle. 4. USB Cable Power Supply: Projectable clock is powered by USB power cord, and can be powered by wall socket or mobile power supply, and memory battery (not included) has time memory function. 5. Time Management: LED alarm clock allows children to use the alarm clock to manage their time independently, away from the interference of mobile phones, and greatly improve their learning efficiency. Specification: Item Type: Projection Alarm Clock Material: ABS Type of Battery: Button Cell (Shipped Without Battery) Type of Battery: CR2032(1) Function: Digital LED Display, Time, Date, Temperature Display, 180 Degree Wide Angle Projection, Flexible Projection, Alarm Clock Snooze Function, USB Direct Power Supply, Mute. Length: Approx. 18.5cm / 7.3in Width: Approx. 9.2cm / 3.6in How to Use: Plug it in and you can use it. PackageList: 1 x Projection Alarm Clock 1 x USB Cable 1 x User Manual Note: Shipping without batteries.Time Management: LED alarm clock allows children to use the alarm clock to manage their time independently, away from the interference of mobile phones, and greatly improve their learning efficiency. USB Cable Power Supply: Projectable clock is powered by USB power cord, and can be powered by wall socket or mobile power supply, and memory battery (not included) has time memory function. High Definition LED Screen: The projection digital alarm clock adopts high definition LED screen, which can be seen from a long distance and can be seen at a wide angle. 180 Degree Projection: The projection alarm clock can project from multiple angles, and the 180 degree flexible swing arm can adjust the projection angle at will. Multi Function: LED alarm clock has various functions, can display time, date and temperature, and can be projected at a wide angle of 180 degrees. It is also a practical alarm clock.