Smart Light, LED fairy lights, outdoor, RGBCW, 15 m Charming fairy lights with 53 scenes and music synchronization NEEWER NR02 permanent outdoor lights have 50+ scene presets in the areas of lifestyle, vacation, mood and nature, which can be easily switched via the app. The music synchronization mode makes the LED lights pulsate to the beat and creates a dynamic atmosphere. As an atmospheric outdoor decoration and waterproof hanging decoration for Christmas, Halloween, patio, gazebo, pergola, bistro/café/bar eaves, deck, fence, porch, apartment balcony, window, yard, RV, camping or garden party. Improved RGBCW mixing technology Each 7.5m string of lights contains 15 LED lights (2 strands included, 15m total), with each light containing 7 RGB, cool white and warm white LEDs, providing 50lm per LED light and a color temperature of 2700K to 6500K. These dimmable decorative color lights as color-changing outdoor lighting create dreamy, colorful RGB effects while providing bright, two-tone white illumination for a versatile ambiance.