1、Projection time function - time can be projected to the ceiling, wall, watch time is very convenient. 2、Backlight - blue luminous, voice/vibration sensing and pressing the button to illuminate the backlight and projection. 3、Perpetual calendar function - Gregorian calendar from January 1, 2000 to December 31, 2099. 4、With alarm clock / snooze function. 5、Hourly timekeeping function - can set the hourly function of 7:00am. to 9:00pm., press the lamp to report the time and temperature / press the S key to report time. Features: 1. Projection time function - time can be projected to the ceiling, wall, watch time is very convenient. 2. With voice time and temperature function. 3. Backlight - blue luminous, voice/vibration sensing and pressing the button to illuminate the backlight and projection. 4. Perpetual calendar function - Gregorian calendar from January 1, 2000 to December 31, 2099. 5. With digital thermometer. 6. With alarm clock / snooze function. 7. Hourly timekeeping function - can set the hourly function of 7:00am. to 9:00pm., press the lamp to report the time and temperature / press the S key to report time. 8. Vibration sensing bright screen projection function - for example, when you sleep at night, you can reach out and touch the alarm clock, or knock down the alarm clock table, you can brighten the screen, project it to the ceiling, and just open your eyes to see the ceiling time, you don't need to turn over to find the alarm clock doesn't have to be glaring, it's very convenient. 9. Sound adjustment function, voice-activated backlight can turn the function on and off. Specification: Suitable for: office workers, students, elderly at home, mother with children Power supply: 3*AAA Batteries (Not Included) Screen size: about 58*43mm/2.28*1.69in Material: ABS+PS Color: White Size: about 12*8.8*8.8cm/4.72*3.46*3.46in Package List: 1 * Projection Clock(Battery is Not Included) 1 * Instruction Manual