Digital Projection Alarm Clock LCD Screen Multi-function Weather Calendar Time Display Desktop ClockGood use on the desk or bedroom can see clearly in the dark when press the light button.In order to save power ,the projector and display will turn off a few seconds automatically , if want to see the time you need to click the button ""LIGHT""How to use:1. Setting the time The hour digits are blinking and can be set by pressing UP or Down for setting hours Use the same way to set minute. 2. Setting the alarm Press the mode to view the alarm time. Press mode hold for 3 seconds to enter the alarm setting mode The hour digits are blinking and can be set by pressing UP or Down for setting hours. Use the same way to set minute. 3. Setting the calendar Press the mode to view the calendar. Press mode hold for 3 seconds to enter the calendar setting mode. The year digits are blinking and can be set by pressing UP or Down for setting years. Use the same way to set month and the day. 4. Alarm on/off Press up to turn alarm on or off 5. Max/min Press the max/min to view max temperature and humidity record. Press the max/min again to view min temperature and humidity recordFace the face of the human face, projection arm toward the back of the fuselage direction, the projection of the font is positive, Which means that the direction of the person's line of sight and projection arm in the same direction is positive, and vice versa is the opposite, this is Designed in an ergonomic way of thinking.3.7 ""LCD screen displays the time, temperature, humidity, and the weather.With colorful LED BacklitProjecting an accurate time, and projecting angle is 180 degree adjustableAlarm clock supports snooze modeSpecification:Humidity range: 20% RH ~ 99% RHTemperature range: 0 ~ 50 Degrees / 32 ~ 122 FahrenheitCalendar: 2001-2099Battery type: 2 * AAA batteries (not included)Two modes available time: 12 hours and 24 hoursPackage:1 * LED Alarm ClockNOTE: The alarm clock must not use high-capacity alkaline batteries, please use ordinary carbon batteries, or prone to some buyers that garbled phenomenon, because high-capacity battery easy to burn the circuit board.