1.Light Up Design: Amazing lighted window silhouette with warm white lighting, creating you a kind of warm and festival mood. Hang the lights on your window or door and make your window or door decorations sparkling 2.Battery Operated: 3 AAA battery required for this Christmas light up silhouette for window, the working time depends on the battery quality, for battery replacing, just slide out the battery door on suction cup hook and match the polarity in battery compartment 3.Gift Lights: With the classic Bell-Tree-Deer-Snowflake-Star-Angel-Santa Claus-Snowman, no extra bore and doubt on gift choosing, these reusable festival decor lights will be the first choice as the best wishes for family, friends, relatives or colleagues 4.Suction Hanging: Attach the suction cup hook to the door, glass window, or smooth ceramic wall with proper force, use the sticker for fixing the Christmas window decoration lights, make sure it is fixed firmly enough, using the hook on suction cup hook is recommended, nice interior decor for cars too 5.Practical Applications: This double sided Christmas silhouette lights decorations can be hung on door, porch, corridor, balcony, roof edge, bedroom, mantelpieces, fireplace side, centerpieces, Xmas tree, wreath, garland, banister, handrail, hallway, deck, patio, pub, bistro, cafe, bar, restaurant, mall, office, private cars