Whether you're adding some shine to your festive tree, backyard patio, or mantle, the Twinkly 20 LED Multicolor Festoon Lights are the way to go. Designed with dazzling colors, this 20-bulb string of festoon lights is more than perfect for the holiday season. Pair them with the Twinkly app on smartphones to create a customized light display that pleases you and your home. You can even download pre-loaded lighting effects for ultimate customization. The 1 tap Bluetooth connection makes it great for using multiple products, and the WiFi connection makes for an easy control system. You can even use Twinkly Music to make the bulbs synchronize patterns to your favorite tunes (sold separately). Set automated playlists, switch your lights on and off, apply timers, and control or adjust the brightness; displaying these high-tech lights allow you to do it all. Measuring 33 feet long, these lights are sure to brighten up the inside or outside of your home. Make sure this holiday season is the best yet with the 20 LED Multicolor Festoon Lights from Twinkly.