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 All-in-One Functions: Wireless projection alarm clock with internal temperature and humidity display; time and temperature projection with ON/OFF button; 1 USB charger; 2 alarm settings with snooze function; DCF automatic time setting with time zone selection; calendar with 7 language options; 12/24-hour format. Projection Function: All displayed information can be easily viewed from any angle. Projects time and temperature simultaneously. Press the button to activate projection for 8 seconds when on battery power; projection remains on when connected to power supply. Use the ON/OFF button to control projection. Adjustable projection angle allows for optimal viewing position. Automatic Time, Indoor Temperature & Humidity: Atomic clock feature automatically displays accurate time in 12 or 24-hour format. Indoor temperature and humidity are clearly shown, with temperature switchable between Celsius and Fahrenheit. These functions help support daily planning and clothing choices. USB Charging Port & Dual Alarm with Snooze: Set two independent alarms for different schedules. Press the top button to activate snooze for an additional 5 minutes of rest. Built-in USB output allows convenient charging of compatible devices. Dimensions & Power Options: Approx. 13.5 x 3 x 8 cm. Powered by 2 x AAA batteries (not included) or via included USB cable. Touch the top of the device to activate backlight and projection for 8 seconds. When connected to power, backlight and projection remain active with 4 adjustable brightness levels. Operates on battery power, making it suitable for travel and outdoor use.