Infrared Remote and App Control: The string light comes with infrared remote, you can use the remote to switch to different blinking modes, or you can scan the QR code on the controller to download the app "LotusLamp X" and use your phone to easily switch to your favorite color, brightness, and mode Customize Festival Atmosphere: Colorful fairy light has high-end control technology that supports LED light bead to choose independently from 16 million colors, you can switch to your favorite color and mode according to the different festival atmosphere and overall moods such as Halloween, Christmas, etc., and decorate your home with flowing lighting effects Multiple Dynamic Modes: The multi-functional preset modes of the holiday illuminations can meet various needs for any occasion. It not only makes the illuminated string lights more versatile, but also enriches the fun of the illuminated string lights, providing a special interactive experience for friends and family during the holiday season Music and Voice Sync: Switch to music mode, you can choose your favorite music and the lights will bounce to the rhythm of your favorite song. Multi-color string light use microphone to detect and match the music to synchronize with the music, turning your space into a dynamic light show. (Cannot play music) High Quality Materials: The colorful lights are designed with PVC coating and high waterproof rating (IP65), -20 °C cold resistance, durable materials, both durable and safe, using fully glued lamp beads, not easy to knot, not easy to break, perfect for indoor and outdoor use. (Remote is not waterproof) Indoor and Outdoor Use: You can install the fairy string light on an outdoor tree or ladder, it can be used as Christmas tree lights, bedroom decorations, or to create a festive atmosphere for festivals, parties, weddings and so on The Number of Lighted LEDs Can be Controlled: Adjusting the number of lights through APP: 1. If the set number of LEDs is greater than the actual number (5 M 50 LEDs, set to 100 LEDs), then work with the power of 100 LEDs, the brightness will become weaker, but still only 50 LEDs are bright. 2. If the set number of LEDs is less than the actual number (5 M 50 LEDs, set to 25 LEDs), then work with the power of 25 LEDs, the brightness will become stronger, but only 25 LEDs are bright. If some of the LEDs do not light up, please check the number of LEDs set