Product color: black, silverMaterial: plastic + quartz glass mirrorProduct size: 13.5 * 3 * 8cmPower supply: 2 x AAA batteries (not included) or USB power cable (included)Package content:1 x projection alarm clock1 x USB cable1 x user manual1. All-in-one functions Wireless projection alarm clock with internal temperature and humidity display; Temperature and time projection with ON/OFF button; 1 USB charger; 2 alarm and snooze functions; DCF automatic time setting with time zone selection; Calendar with 7 language options; Time in 12/24 format.2. Projection function All information on the display can be easily read from any angle. Project time and temperature simultaneously. Press the button to project with battery for 8 seconds and continue projecting with power supply, you can also use the ON/OFF button to control it. Adjustable time angle facilitates the selection of the appropriate angle.3. Automatic clock, indoor temperature and humidity The atomic clock automatically displays the correct time (12/24 format) for you. Indoor temperature and humidity units are clearly displayed. The temperature is displayed in either °C or °F. These additional functions help you make a decision about your daily clothing.4. USB connection, dual alarm with snooze function Set two separate alarms for different purposes. Press the top button to snooze the alarm for an additional five minutes of sleep. USB output interface on the clock allows easy charging of electronic device.5. Dimensions and power supply approx. 13.5 * 4 * 8.5 cm; 2x AAA batteries (not included) or power adapter (included). Press the top of the clock to activate the backlight and projection for 8 seconds. Backlight and projection keep the light and the backlight has 4 level selections with power supply. You can run it on battery so that this projection alarm clock can be used for outdoor travel.