It's the fast, easy and beautiful way to light up your entire house! It projects beautiful holographic stars up to 600 square feet—creating an amazing 3-D light show. Just plug it in and point…it has 2 laser modes (green lights or red & green lights). You can use it indoors or out, so it's great for the holidays and perfect for parties, too. 6" w x 13 1/2" h x 4" d.