"Transform your outdoor holiday display with these innovative spiral Christmas tree pathway lights, featuring smart app control through the ""Hello Fairy"" Bluetooth application. Each set includes 8 spiral tree lights, with an 11.4-foot total length plus a 9.8-foot power line, providing 21.2 feet of enchanting illumination for pathways, gardens, and yards. Choose from 16 million colors and endless DIY modes to create the perfect festive atmosphere, while the built-in music sync feature with a high-sensitivity microphone allows the lights to dance in perfect rhythm to music from your smartphoneideal for Christmas, Halloween, weddings, parties, and any special celebration. - Bright Zeal Set of 8 48cm RGB Smart Spiral Tree Pathway Lights with App&Music Sync in White"