Twinkly Strings App-Controlled LED Lights. Create the ultimate lighting decorations with smart, addressable LED lights Twinkly Strings and explore virtually unlimited ways to transform your space with light and color. Enjoy setup in a matter of seconds via Bluetooth and Wi-Fi, manage your lights with the free Twinkly app (iOS and Android), group multiple devices, set automated playlists, switch your lights on and off, apply timers, dim them and adjust their brightness, and much more. Unleash your creativity with endless preset effects and animations, create your own personalized ones using the FX Wizard on the Twinkly App, or virtually draw effects on your lights with your finger.Use your imagination and any shade, gradient, hue or tint of 16 million colors and white light to create the ultimate decorative lighting. Use your weatherproof lights all year round both indoors and outdoors. Create the perfect lighting for the merriest Christmas, the spookiest Halloween, and the most memorable parties and celebrations including weddings, BBQs and birthdays. Enjoy voice activation via Amazon Alexa, Google Assistant, and Apple HomeKit voice assistants, compatibility with the Homey app, and integration with Razer Chroma RGB and OMEN Light Studio for the ultimate gaming experience. 5mm / 0.20 in. 8 cm / 3.5 in. 3.5m / 137.8 in. 20 m / 787.4 in. 7.87" x 7.09" x 3.35. 1 string+controller 1 adapter 1 quick guide.