Color-changing solar light absorbs sunlight by day to produce a kaleidoscope of color after dark. No wires or extension cords are required, so you can place along a path, at an entryway, in your garden beds, or anywhere you want. Turns on automatically at night, but also has on/off switch. Bulb color changes gradually from red to green to blue for quite a colorful light show! 16¾"H with ground stake.