Journey's Edge 72-W0627 Indoor/Outdoor Projection Weather Center with Clock with 2 Function Alarm Display Unit Backlit Digital Display features Time, Temperature, Date and Humidity all from one Convenient Location Clock with 2 Function Alarm, Snooze Function Daylight Savings and Multiple Time ZonesWall mountable Dual-Power AC Adapter or Battery Operation (requires 2 AA batteries, not included)Display Unit Dimensions: 3.5 x 3.75 x 6.375 inches