[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 travel Technical data Dimension: about 14.5cm * 9.5cm * 5cm Weight: about 300g Time format: 12 / 24H Temperature: -9 C to + 50 C / 15 F to 122 F. Resolution: 1 C / F Humidity: 20% -95%. Resolution: 1% Snooze: 5 minutes Powered by: USB or 2 * AAA battery (not included) Features Projection alarm clock with internal temperature and humidity display Calendar with 7 language choices Temperature & time projection with ON / OFF button 2 Alarm and snooze function Long press the TIME button to set the time 4-level background lighting selectable with power supply Scope of delivery 1 x projection alarm clock 1 x USB cable 1 x EN user manual