Product Description Color: Black, Silver Material: Plastic + Quartz Glass Mirror Product Size: 13.5 x 3 x 8 cm Power Supply: 2 x AAA batteries (not included) or USB power cable (included) Package Contents: 1 x Projection Alarm Clock 1 x USB Cable 1 x Instruction Manual 1. All-in-one Functionality Wireless projection alarm clock with indoor temperature and humidity display; Temperature time projection with ON/OFF button; 1 x USB charger; 2 alarm and snooze functions; DCF automatic time setting with time zone selection; Calendar with 7 language choices; Time in 12/24 format.2. Projection Function All information on the screen can be easily read from any angle. Project time and temperature at the same time. Press the button to project with battery for 8 seconds and keep the project powered on, you can also use the ON/OFF button to control it. The adjustable time angle makes it easy to select the correct angle.3. Automatic clock, indoor temperature and humidity The atomic clock