This Golden Buddhist Solar Powered Prayer Wheel is 4.5 Inches long and the base is 4 Inches wide. It comes with the box as shown in the picture. It runs completely on solar energy and has capability to use battery. Prayer wheels have been used for centuries in Tibet and it was originally created to say mantras. Prayer wheels have mantras carved outside or paper scroll of mantras inside. It is believed that when you spin prayer wheel, it is same as saying prayers loud.