Twinkly 20-Metre App-Controlled String Christmas Lights Take control of Christmas with this 2–metre app-controlled string light from Twinkly. Using the app on your smartphone (available free on iOS and Android) or a smart speaker, you can easily choose between a range of colours, patterns and effects to create the perfect feel in your winter wonderland. You can even create your own combinations and share them for other people to use! Suitable for indoor or outdoor use, a total of 250 RGB LEDs makes this string light perfect for creating a spectacular sparkle in your winter wonderland. Depth: 2000 CM Fully Customisable functions and patterns Material Content: PVC, copper, resin, iron & PP APP Controlled (free download for iOS/Android) Controller has built in WiFi (free to use) Compatible with Alexa/Google Home Kit Group/Sync multiple products/displays together Advanced music control compatibility Share and download new effects Unlimited colour combinations Use for any occasion Indoor and Outdoor use