Name: Christmas Music Sound Speaker with String Light Size: 65x60x30mm Battery: 3xAAA (not included) Light Length: 3m or 9.8ft Type: Christmas Music: All i want for christmas is you When the sensor senses the sound, it will Sing and shine. -When someone knocks at your door, your door will play music and the light on the door will shine. -When someone walks by your yard and speaks loudly, your garden decorations will glow and sing. -When a friend picks up your Christmas gift, the gift will sing. -When you appear at a party, your clothes or gift box will sing Specifications: 1. A must-have for Christmas Day. 2. Including a voice activated speaker with 3m light string. 3. Add a song and decorative light to your Christmas decorations. 4. The perfect choice for Christmas decoration - a must-have for Christmas. 5. Singing and lighting can easily become the main center of the Christmas theme, or just add an invisible Christmas ghost in your yard or indoor or outdoor. Package Included: x Christmas Music Sound Speaker with String Light