ROYMAX 180&deg; Projection Alarm Clock, Snooze, Colourful LED Screen Backlight, Temperature, Humidness, Week, Date, Alarm Status, Operated by Both Battery and Adapter (Black & Sliver) Both Temperature and Humidness Display Projection Function: the projector can be rotated 180 degrees Both adapter and Batteries: The clock can be stay in home with a DC charger or go with you to anywhere with 3 AAA Batteries Enjoy the Vision by a Colorful Display Screen and LED Backlight Snooze Function