Good Tidings 23-Foot Indoor/Outdoor Holiday Christmas Light Set with 70 Multi-Colored LED Indoor/outdoor holiday light set with 70 multi-colored LED lights Stays lit even with 1 or more non-functioning bulb; thick plastic casing Cool-touch design; uses less than 10 watts of power; energy savings up to 90 percent Lasts 10 times longer than regular incandescent lights; extendable up to 20 strings Measures 23 feet long with a 4 inch space between each bulb