Dear customer, Thank you for choosing our products. If there is any problem with our products, please through the order information. We will be happy to serve you and solve it for you as soon as possible within 12 hours, thank you![Projection function] This alarm clock has projection and almost 180 degrees of free rotation, time and temperature on the display can be easily read from any angle[Double alarm with snooze function] Set two separate alarms for different purposes. Press the top button to doze off the alarm for an extra five minutes of sleep[Multi-Information-Display] The multi-function alarm clock shows the following functions: time (12/24 format), date, week, double clock, temperature ( C or F), humidity[USB connection or battery operated] The alarm clock can be operated with 2x AAA batteries (not included).[Backlight] Touch the top of the clock to activate the backlight and projection for 8 seconds. 4-level background lighting selectable with power supply. You can run it on battery, this projection alarm clock is ideal for outdoor travelTechnical dataDimension: about 14.5cm * 9.5cm * 5cmWeight: about 300gTime format: 12 / 24HTemperature: -9 C to + 50 C / 15 F to 122 F. Resolution: 1 C / FHumidity: 20% -95%. Resolution: 1%Snooze: 5 minutesPowered by: USB or 2 * AAA battery (not included)FeaturesProjection alarm clock with internal temperature and humidity displayCalendar with 7 language choicesTemperature & time projection with ON / OFF button2 Alarm and snooze functionLong press the TIME button to set the time4-level background lighting selectable with power supplyScope of delivery1 x projection alarm clock1 x USB cable1 x EN user manual