[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