Create a spooky Halloween atmosphere with Rotu’s 300 LED purple and orange music string lights featuring a built in motion sensor and synchronized sound effects. Measuring approximately 98.4 feet in lighted length with an additional 16.4 foot lead cable these energy efficient LED lights feature dark green wiring that blends naturally into bushes and outdoor decorations. The lights offer six modes including a combination mode that cycles through four spooky soundtracks individual music modes featuring eerie laughter and haunted graveyard sounds and a steady illumination mode without sound. The sensitive passive infrared motion sensor detects movement within approximately 16.4 feet and automatically activates the lights and spooky sounds in music modes. When no movement is detected the lights automatically turn off after 20 seconds while steady mode remains illuminated until switched off. Made from copper and plastic these bright and durable lights are designed for indoor and outdoor use with an IP44 waterproof rating. The plug is also IP44 rated but the sound box is not waterproof and should be protected from water. The low voltage design supports safer use around the home and makes these decorative lights suitable for families and pets when used as directed. Ideal for haunted houses and Halloween parties these versatile lights can decorate trees bushes fences windows fireplaces garages walls gardens yards and front porches to create a memorable spooky display for trick or treaters and guests.