-Authentic – Sold by the company that made the Original Singing Bird Clock -The clock features 12 beautiful north American song birds. -Each hour on the clock is announced by the clear song of a particular bird, which means a different song every hour. -The built in light sensor turns sounds off when the room is dark. -To make sure that your sleep is not disturbed, the clock deactivates at night. -Dimensions: 13″ Diameter -Color: Green