KEY FUNCTIONS: CHIME TIME KEEPING :With a dual CHIME Function you're able to stay focused on the task at hand, you will know what the hour is simply by listening to the sound: CHIME1:Every Hour; CHIME2:Only From 7AM-9PM. Can be turned off during night hours. Please REMOVE the LED display protective film before you use. Q&A:HOW DO I USE OR SET THIS PROJECTION ALARM? Please read how each switch works as following: 1. HR: 12 or 24 Hour display switch button. (PS: HOUR adjust switch also) 2. MIN: Alarm sound switch mode. (PS: Minute adjust switch also) 3. MODE: adjust time or Set alarm time,Chime mode or snooze function 4. ON or OFF: Turn on or off the chime function. 5. Install Batteries here. (3 x AAA batteries are needed, not included in the package) 6. Two power mode: install batteries or connect with DC5V power cable. Specifications Function: Digital LCD Alarm Clock, Electronic Thermometer, Voice Reading Time Color: White Material: Plastic Battery: 3 x AAA batteries (not included) Package Includes: 1 x LCD Projector Alarm Clock 1 x DC 5V cable (Not include AC plug) 24-HOUR SERVICES Please note projection time could NOT stay on all the time, only could stay on 5 to 10s, It's designed to save energy and keep SAFE from overheating of constant projecting. * LCD LARGE SCREEN DISPLAY: Time, Temperature, Alarm (if you’ve set one) shows on the display after you put the battery in or connect the USB cable.This alarm clock runs on 3 x AAA batteries(Not Included).Please note projection time could NOT stay on all the time, only could stay on 5-10s, It's designed to save energy and keep SAFE from overheating of constant projecting. * TEMPERATURE DISPLAY: In order to ensure you are ready to head out the door you can check the time and the temperature so you are ready for your day to begin. * PROJECTION FEATURE:5-10s LED Projection Time: Projection will stay on 5-10s after you press the dome. You could also read time just open your eyes in the morning. Please NOTE projection time could not stay on all the time, it's designed to save energy and keep safe from overheating of constant projecting.Projecting angle 90 degree adjustable. * FIVE MEMORABLE MELODIES: In order to wake you up every morning you can select from five different tones that will make the morning easier.Start the day on the positive note, friendly colors lit up the room when it’s time to wake up - Refreshing, allows you to start the day smoothly and pleasantly * BEST SNOOZE: With this Clocks in the morning you can have a 10 minute snooze to get that extra rest time but still making sure you get where you need to be on time.Time can be read when you press the dome. Just turn off the invoice if you don’t want the time be read. Please REMOVE the LED display protective film before you use.