Features 1Projection Function: Digital alarm clock with 180 rotatable projector, with focusing control, can project the time on the wall or ceiling, press the projection button to turn on or off. 2Automatic Dimming: Digital clock is equipped with a high sensitivity sensor that can adjust the brightness without disturbing you or your child's sleep. 3Display Mode: Mirror digital alarm clock can display the time, date, temperature at the same time, or it can be displayed separately, and it can be switched in turn. 4Digital Display: Projection digital clock adopts a large display screen, the digital display is clear, generous and beautiful, which is convenient for viewing the time. 5USB Charging: The mirror alarm clock has a built in 1 CR2032 battery (not included), which can be charged with a USB charging cable, stable and energy saving. Specification Item Type: Digital Alarm Clock Material: ABS Product Size: Approx. 18.5 x 9.5 x 4.2cm / 7.3 x 3.7 x 1.7in Weight: Approx. 227g/8.0oz Battery Parameters: 1 x CR2032 Battery (Not Included) Applicable Functions: Clock Function, Date Function, Alarm Clock Function, Temperature Function, Display Mode Selection, Power Saving Function, Automatic Semi Bright Function, LCD Projection Clock Function Package List 1 x Digital Alarm Clock (Battery Not Included) 1 x USB Charging Cable 1 x Manual Note Manual measurement, please allow some errors.